Item Tag: Hybrid DVR/NVR

Speco 16 CH 4K HD-TVI & IP Hybrid, H.264, ONVIF, AUDIO, 960H DVR-#D16HU6TB

This item was taken out for a working environment, there will be NO HDD included with this item even though the part number from factory comes with it. It will come with power supply and factory reset. Has some minor scratches. This Speco 16 CH 4K HD-TVI & IP Hybrid DVR is perfect for your home surveillance needs. With H.264 video compression and ONVIF features, you can easily monitor your space in real-time. The DVR also includes audio recording, motion detection, and a USB backup option for added security.

16CH 4K 1U DVR Dahua XVR5216AN-4KL-i3 Penta-brid Digital Video Recorder-US Ship

Dahua OEM 4K 16CH H.265+/H.265 1U Digital Video Recorder Support HDCVI/TVI/AHD/CVBS/IP Camera (OEM – original equipment manufacturer) This is a OEM Dahua DVR. Non Branded. Same Internals just No Logo / Branding from Dahua. Mobile Client Software is DMSS for Android or iPhone. No Hard Drive is Included in this Sale. This DVR will Not Work with HD-SDI or EX-SDI Cameras. 16CH Penta-brid 4K Value/5MP 1U 2HDDs WizSense Digital Video Recorder > H.265+/H.265 dual-stream video compression. > Supports Full-channel AI-Coding. > Supports HDCVI/AHD/TVI/CVBS/IP video inputs. > Max 32 channels IP camera inputs, each channel up to 8MP; Max 128 Mbps incoming bandwidth. > Up to 8 channels video stream (analog channel) Perimeter Protection. > Up to 16 channels video stream (analog channel) SMD Plus. > Up to 2 channels video stream (analog channel) human face recognition. > IoT & POS functionalities System Main Processor Industrial-grade processor Operating System Embedded Linux Operating Interface Web; Local GUI Perimeter Protection Perimeter Performance AI by Recorder (Number of Channels) Advanced Model: 2 channels, 10 IVS for each channel General Model: 8 channels, 10 IVS for each channel Face Detection Face Attributes Gender; age group; glasses; expressions; face mask; beard Face Detection Performance of AI by Recorder (Number of Channels) 2 channels (up to 12 face images/s each channel) ) Face Recognition Face Database Capacity Up to 10 face databases with 20,000 face images in total. Name, gender, birthday, address, certificate type, cerificate No., countries & regions and state can be added to each face image Face Recognition Performance of AI by Recorder (Number of Channels) 2 channels SMD Plus SMD Plus by Recorder 16 channels: Secondary filtering for human and motor vehicle , reducing false alarms caused by leaves, rain and lighting condition change Audio and Video Analog Camera Input 16 BNC ports, supports HDCVI/AHD/TVI/CVBS auto-detect Camera Input 1. CVI: 4K@25/30 fps; 6 MP@20 fps; 5 MP@20 fps; 5 MP@25 fps; 4 MP@25/30 fps; 1080p@25/30 fps; 720p@25/30 fps; 720p@50/60 fps.2. TVI: 4K@15 fps; 5 MP@20 fps; 4 MP@25/30 fps; 3 MP@25/30 fps; 1080p@25/30 fps; 720p@25/30 fps.3. AHD: 4K@15 fps; 5 MP@20 fps; 4 MP@25/30 fps; 3 MP@25/30 fps; 1080p@25/30 fps; 720p@25/30 fps IP Camera Input Up to 32 channels of IPC access16 IP channels by default + 16 channels (analog channels are converted to IP channels) incoming bandwidth: 128 Mbps, recording bandwidth: 128 Mbps and outgoing bandwidth: 128 Mbps *After IP channels are added beyond the existing channels, the AI Function (IVS, SMD, FACE) will be disabled. Encoding Capacity Main stream: 4K@(1fps-7fps); 6 MP@(1fps-10fps); 5 MP@(1fps-12fps); 4K-N, 4 MP, 3 MP@(1fps-15fps); 4M-N, 1080p, 720p, 960H, D1,CIF@(1fps–25/30fps); Sub stream: 960H@(1fps–15fps); D1/CIF@(1 fps–25/30fps) Dual-stream Yes Video Bit Rate 32 kbps–6144 kbps Audio Sampling 8 kHz, 16 bit Audio Bit Rate 64 kbps Video Output 1 HDMI, 1 VGA HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 *Simultaneous/heterogeneous video sources output for VGA and HDMI is configurable. Multi-screen Display When IP extension mode not enabled: 1/4/8/9/16 When IP extension mode enabled: 1/4/8/9/16/25/36 Third-party Camera Access ON-VIF; Panasonic; Sony; Axis; Arecont; Samsung Compression Standard Video Compression AI Coding; Smart H.265+; H.265; Smart H.264+; H.264 Audio Compression G.711a; G.711u; PCM Network Network Protocol HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; P2P Mobile Phone Access IOS; Android Interoperability ONVIF 22.12(Profile T; Profile S; Profile G); CGI; SDK Browser Chrome, IE9 or later, Firefox Network Mode Single-address mode Recording Playback Record Mode General, motion detection; intelligent; alarm; POS Recording Playback 1/4/9/16 Backup Method USB device and network Playback Mode Instant playback, general playback, event playback, tag playback, smart playback (face and motion detection) Storage Disk Group Yes Alarm General Alarm Motion detection; video loss; tampering Anomaly Alarm No disk; storage error; disk full; camera offline; IP conflict; MAC conflict Intelligent Alarm Face detection; face recognition; perimeter protection Alarm Linkage Record; snapshot (panoramic); IPC external alarm output; access controller; voice prompt; buzzer; log; preset; email Ports Audio Input 1-channel RCA 16-channel BNC (Coaxial Audio) Audio Output 1-channel RCA Two-way Talk Yes (share the same audio input with the first channel) HDD Interface 2 SATA ports, up to 16TB capacity for each disk. The maximum HDD capacity varies with environment temperature. RS-485 1 port, for PTZ control USB 2 (1 front USB 2.0 port, 1 rear USB 3.0 port) HDMI 1 VGA 1 Network Port 1 (10/100/1000 Mbps Ethernet port, RJ-45) General Power Supply DC 12V, 5A Power Consumption <15 W (without HDD) Net Weight 1.80 kg (3.97 lb) Gross Weight 3.10 kg (6.84 lb) Product Dimensions 375.0 mm × 289.4 mm × 53.0 mm (14.76'' × 11.39'' × 2.09'') (W × D × H) Packaging Dimensions 433.0 mm × 141.0 mm × 366.0 mm (17.05'' × 5.56'' × 14.41'') (W × D × H) Operating Temperature –10 °C to +55 °C (14 °F to +131 °F) Operating Humidity 10%–90% (RH) Installation Rack or desktop Certifications CE: CE-LVD: EN 60950-1/IEC 60950-1 CE-EMC: EN 61000-3-2, EN 61000-3-3, EN 55032, EN 50130, EN 55024FCC: Part 15 Subpart B *Above specifications and appearance of product subject to change without notice. *This product is unbranded for OEM. No Dahua logo or model number is on the product. *This product may not work with IP products from other manufacturers. Wholesale Welcome! We have always been doing our best to provide the best service and reliable products for our customer.Customers are responsible to check product compatibility issue. If you have questions about product please feel free to contact us. All sales are considered final, and no refunds or exchanges will be accepted.All defective items must be noticed within 7 days after received. Buyers need to return the defective item for the replacement at his own cost. Item must be original condition.If the order is not found to be defective and is as described there will be a 20% restocking fee. Our warranty does not apply to products that have been misused, modified, repaired or abused by anyone. We reserve the right as final authority on whether the products should be replaced or refunded.Shipping and handling charges are non-refundable at any case.Please make sure your shipping Address is Correct. We will only follow your address listed in the eBay payment for the shipment.We have no responsibility for shipping address provided. Due to the secure reasons, we are not allowed the address change through the email.Buyers need to pay S&H again for reshipping the item (except the wrong buyer address is written by us). *Please Note: Packages are NOT shipped on Weekend or Holiday. Normal transit time is 2~5 business days. We cannot be held responsible for delays caused by carriers. Shipping time is estimated and not guaranteed. Thank you

LTS DVR 1080p LTD8316M-ET 16CH H.265 16 Channel HD-TVI Hybrid (NO HDD)

H.265/H.265+ Platinum Professional Level 16 Channel HD-TVI DVR **HDD NOT INCLUDED** (Supports TVI, AHD, Analog, and IP cameras) Deep learning-based motion detection 2.0 for all analog channels Deep learning-based perimeter protection H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 video compression HDTVI/AHD/CVI/CVBS/IP video inputs Audio via coaxial cable Up to 24-ch IP camera inputs (up to 6 MP) Up to 10 TB capacity per HDD Recorder Series TurboHD Recorder Channel 16-Channel Recorder Case Compact Case Recorder Technology DVR Specifications Motion Detection 2.0¹ Human/Vehicle Analysis Deep learning-based motion detection 2.0 is enabled by default for all analog channels, it can classify human and vehicle, and reduce false alarms caused by objects like leaves and lights Quick search by object or event type is supported Perimeter Protection¹ Human/Vehicle Analysis Up to 4-ch Facial Detection¹ Facial detection and capture 1-ch human face capture (HD analog camera) Recording Video compression H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 Encoding resolution Main stream: When 1080p Lite mode not enabled: For 4 MP stream access: 4 MP lite@15 fps; 1080p lite/720p/WD1/4CIF/VGA/CIF@25 fps (P)/30 fps (N) For 3 MP stream access: 3 MP/1080p/720p/VGA/WD1/4CIF/CIF@15 fps For 1080p stream access: 1080p/720p@15 fps; VGA/WD1/4CIF/CIF@25 fps (P)/30 fps (N)For 720p stream access: 720p/VGA/WD1/4CIF/CIF@25 fps (P)/30 fps (N) When 1080p Lite mode enabled: 4 MP lite/3 MP@15 fps; 1080p lite/720p lite/VGA/WD1/4CIF/CIF@25 fps (P)/30 fps (N) Sub-stream: WD1/4CIF@12 fps; CIF@25 fps (P)/30 fps (N) Video bitrate 32 Kbps to 6 Mbps Dual stream Support Stream type Video, Video & Audio Audio compression G.711u Audio bitrate 64 Kbps Video and Audio IP video input² 2-ch (up to 18-ch) Enhanced IP mode on: 8-ch (up to 24-ch), each up to 4 Mbps Up to 6 MP resolution Support H.265+/H.265/H.264+/H.264 IP cameras Analog video input 16-chBNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection HDTVI input 4 MP, 3 MP, 1080p@30 fps, 1080p@25 fps, 720p@60 fps, 720p@50 fps, 720p@30 fps, 720p@25 fps The 3 MP signal input is only available for channel 1/2/3/4 of LTD8316M-ET. AHD input 4 MP, 1080p@25 fps, 1080p@30 fps, 720p@25 fps, 720p@30 fps HDCVI input 4 MP, 1080p@25 fps, 1080p@30 fps, 720p@25 fps, 720p@30 fps CVBS input PAL/NTSC CVBS output 1-ch, BNC (1.0 Vp-p, 75 Ω) Resolution: PAL: 704 × 576, NTSC: 704 × 480 HDMI/VGA output 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz, HDMI/VGA simultaneous output Audio input 1-ch, RCA (2.0 Vp-p, 1 KΩ) 16-ch via coaxial cable Audio output 1-ch, RCA (Linear, 1 KΩ) Two-way audio 1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the first audio input) Synchronous playback 16-ch Network Remote connection 128 Network protocol TCP/IP, PPPoE, DHCP, LTS-Connect, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIF Network interface 1,RJ45 10/100/1000 Mbps self-adaptive Ethernet interface Wi-Fi Connectable to Wi-Fi network by Wi-Fi dongle through USB interface Auxiliary interface SATA 2 SATA interfaces, up to 10 TB capacity for each disk Serial interface RS-485 (half-duplex) USB interface Front panel: 1 × USB 2.0 Rear panel: 1 × USB 3.0 Alarm in/out N/A General Power supply 12 VDC, 3.3 A Consumption (without HDD) ≤ 40 W Working temperature -10 °C to 55 °C (14 °F to 131 °F) Working humidity 10% to 90% Dimension (W × D × H) 380 × 320 × 48 mm (15.0 × 12.6 × 1.9 inch) Note: Product design and specifications are subject to change without notice. Wholesale Welcome!

16CH TVI 8MP DVR H265 4k Output 2560×1960 Record System (Guarding Vision)App

LTS Security LTD8516M-STN 16-Channel 4K Hybrid HD-TVI Platinum DVR MD2.0 (Support TVI, AHD,CVI, Analog, and IP cameras) * works with HD-TVI (turbo HD)/HD-AHD/HD-CVI/ IP Hikvision, LTS / analog cameras*** ***Not work for HD-SDI Camera*** Deep learning-based motion detection 2.0 for all analog channelsDeep learning-based perimeter protectionH.265 Pro+/H.265 Pro/H.265/H.264+/H.264 video compressionHDTVI/AHD/CVI/CVBS/IP video inputsAudio via coaxial cableUp to 32-ch IP camera inputs (up to 8 MP)Up to 10 TB capacity per HDDLT Security LTD8516M-STN 16-Channel 4K Hybrid HD-TVI Platinum DVR MD2.0Compression and RecordingH.265 Pro+ video compression improves encoding efficiency, and reduces data storage costsRecording at up to 8 MP resolutionStorage and Playback2 SATA interfacesSmart search for efficient playbackSupport the third party cloud storageSmart FunctionDeep learning-based motion detection, and perimeter protection (line crossing and intrusion detection)Support multiple VCA (Video Content Analytics) events for both analog and smart IP camerasNetwork & Ethernet AccessCompatible with major Wi-Fi dongle products in the marketLTS-Connect & DDNS (Dynamic Domain Name System) for easy network managementOutput bandwidth limit configurable Recorder SeriesTurboHDRecorder Channel16-ChannelRecorder CaseCompact CaseRecorder TechnologyDVRFeatured ProductNoVideoNoSpecificationsMotion Detection 2.0¹Human/Vehicle AnalysisDeep learning-based motion detection 2.0 is enabled by default for all analog channels, it can classify human and vehicle, and extremely reduce false alarms caused by objects like leaves and lights; Quick search by object or event type is supported;Perimeter Protection¹Human/Vehicle AnalysisUp to 4-chRecordingVideo compressionH.265 Pro+/H.265 Pro/H.265/H.264+/H.264Encoding resolutionMain stream: 8 MP@8 fps/5 MP@12 fps/3K@12 fps/4 MP@15 fps/3 MP@18 fps 1080p/720p/WD1/4CIF/VGA/CIF@25 fps (P)/30 fps (N)Sub-stream: WD1/4CIF@12 fps; CIF@25 fps (P)/30 fps (N)Video bitrate32 Kbps to 10 MbpsDual streamSupportStream typeVideo, Video & AudioAudio compressionG.711uAudio bitrate64 KbpsVideo and AudioIP video input8-ch (up to 24-ch)Enhanced IP mode on: 16-ch (up to 32-ch), each up to 4 MbpsUp to 8 MP resolutionSupport H.265+/H.265/H.264+/H.264 IP camerasTotal Bandwidth128MbpsAnalog video input16-chBNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connectionHDTVI input8 MP@15 fps, 5 MP@20 fps, 3K@20 fps, 4 MP@30 fps, 4 MP@25 fps, 3 MP@18 fps, 1080p@30 fps, 1080p@25 fps, 720p@60 fps, 720p@50 fps, 720p@30 fps, 720p@25 fpsAHD input5 MP@20 fps, 4 MP@25 fps, 4 MP@30 fps, 1080p@25 fps, 1080p@30 fps, 720p@25fps, 720p@30 fpsHDCVI input5 MP@20 fps, 4 MP@25 fps, 4 MP@30 fps, 1080p@25 fps, 1080p@30 fps, 720p@25fps, 720p@30 fpsCVBS inputPAL/NTSCCVBS output1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480VGA output1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz,HDMI Output1-ch, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60HzVideo output modeHDMI/VGA simultaneous outputAudio input1-ch (up to 16-ch is optional), RCA (2.0 Vp-p, 1 KΩ)16-ch via coaxial cableAudio output1-ch, RCA (Linear, 1 KΩ)Two-way audio1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the first audio input)Synchronous playback16-chNetworkRemote connection128Network protocolTCP/IP, PPPoE, DHCP, LTS-Connect, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIFNetwork interface1, RJ45 10/100 Mbps self-adaptive Ethernet interfaceWi-FiConnectable to Wi-Fi network by Wi-Fi dongle through USB interfaceAuxiliary interfaceSATA2 SATA interface, up to 10 TB capacity for each diskSerial interfaceRS-485 (half-duplex)USB interfaceFront panel: 1 × USB 2.0; Rear panel: 1 × USB 2.0Alarm in/outN/AGeneralPower supply12 VDC, 5 AConsumption (without HDD)≤ 19 WWorking temperature-10 °C to 55 °C (14 °F to 131 °F)Working humidity10% to 90%Dimension (W × D × H)380 × 320 × 48 mm (15 × 12.6 × 1.9 inch)Weight (without HDD)Note:1: Motion detection 2.0 and perimeter protection cannot be enabled at the same time. Enable one function will make the other one unavailable.2: Enhanced IP mode might be conflicted with smart events (motion detection 2.0 and perimeter protection) or other functions, please refer to the user manual for details. 3: The number of audio inputs and alarm in/out can be optional. The tag on the package will describe audio input and alarm in/out parameters. For example, “4A+8/4ALM” means your device has 4 audio inputs, 8 alarm input and 4 alarm outputs. If your device only has 1 audio input, the tag may not describe it. Wholesale Welcome!

Hikvision OEM HD-TVI/CVI/AHD 16 ch channel DVR 1080p HD Hybrid With 2TB HDD

LTS Security LTD8516M-STN 16-Channel 4K Hybrid HD-TVI Platinum DVR MD2.0 ****2TB HDD Installed**** (Support TVI, AHD,CVI, Analog, and IP cameras) * works with HD-TVI (turbo HD)/HD-AHD/HD-CVI/ IP Hikvision, LTS / analog cameras*** ***Not work for HD-SDI Camera*** Deep learning-based motion detection 2.0 for all analog channelsDeep learning-based perimeter protectionH.265 Pro+/H.265 Pro/H.265/H.264+/H.264 video compressionHDTVI/AHD/CVI/CVBS/IP video inputsAudio via coaxial cableUp to 32-ch IP camera inputs (up to 8 MP)Up to 10 TB capacity per HDDLT Security LTD8516M-STN 16-Channel 4K Hybrid HD-TVI Platinum DVR MD2.0Compression and RecordingH.265 Pro+ video compression improves encoding efficiency, and reduces data storage costsRecording at up to 8 MP resolutionStorage and Playback2 SATA interfacesSmart search for efficient playbackSupport the third party cloud storageSmart FunctionDeep learning-based motion detection, and perimeter protection (line crossing and intrusion detection)Support multiple VCA (Video Content Analytics) events for both analog and smart IP camerasNetwork & Ethernet AccessCompatible with major Wi-Fi dongle products in the marketLTS-Connect & DDNS (Dynamic Domain Name System) for easy network managementOutput bandwidth limit configurable Recorder Series TurboHD Recorder Channel 16-Channel Recorder Case Compact Case Recorder Technology DVR Featured Product No Video No Specifications Motion Detection 2.0¹ Human/Vehicle Analysis Deep learning-based motion detection 2.0 is enabled by default for all analog channels, it can classify human and vehicle, and extremely reduce false alarms caused by objects like leaves and lights; Quick search by object or event type is supported; Perimeter Protection¹ Human/Vehicle Analysis Up to 4-ch Recording Video compression H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 Encoding resolution Main stream: 8 MP@8 fps/5 MP@12 fps/3K@12 fps/4 MP@15 fps/3 MP@18 fps 1080p/720p/WD1/4CIF/VGA/CIF@25 fps (P)/30 fps (N) Sub-stream: WD1/4CIF@12 fps; CIF@25 fps (P)/30 fps (N) Video bitrate 32 Kbps to 10 Mbps Dual stream Support Stream type Video, Video & Audio Audio compression G.711u Audio bitrate 64 Kbps Video and Audio IP video input 8-ch (up to 24-ch) Enhanced IP mode on: 16-ch (up to 32-ch), each up to 4 Mbps Up to 8 MP resolutionSupport H.265+/H.265/H.264+/H.264 IP cameras Total Bandwidth 128Mbps Analog video input 16-chBNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection HDTVI input 8 MP@15 fps, 5 MP@20 fps, 3K@20 fps, 4 MP@30 fps, 4 MP@25 fps, 3 MP@18 fps, 1080p@30 fps, 1080p@25 fps, 720p@60 fps, 720p@50 fps, 720p@30 fps, 720p@25 fps AHD input 5 MP@20 fps, 4 MP@25 fps, 4 MP@30 fps, 1080p@25 fps, 1080p@30 fps, 720p@25fps, 720p@30 fps HDCVI input 5 MP@20 fps, 4 MP@25 fps, 4 MP@30 fps, 1080p@25 fps, 1080p@30 fps, 720p@25fps, 720p@30 fps CVBS input PAL/NTSC CVBS output 1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480 VGA output 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz, HDMI Output 1-ch, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz Video output mode HDMI/VGA simultaneous output Audio input 1-ch (up to 16-ch is optional), RCA (2.0 Vp-p, 1 KΩ) 16-ch via coaxial cable Audio output 1-ch, RCA (Linear, 1 KΩ) Two-way audio 1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the first audio input) Synchronous playback 16-ch Network Remote connection 128 Network protocol TCP/IP, PPPoE, DHCP, LTS-Connect, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIF Network interface 1, RJ45 10/100 Mbps self-adaptive Ethernet interface Wi-Fi Connectable to Wi-Fi network by Wi-Fi dongle through USB interface Auxiliary interface SATA 2 SATA interface, up to 10 TB capacity for each disk Serial interface RS-485 (half-duplex) USB interface Front panel: 1 × USB 2.0; Rear panel: 1 × USB 2.0 Alarm in/out N/A General Power supply 12 VDC, 5 A Consumption (without HDD) ≤ 19 W Working temperature -10 °C to 55 °C (14 °F to 131 °F) Working humidity 10% to 90% Dimension (W × D × H) 380 × 320 × 48 mm (15 × 12.6 × 1.9 inch) Weight (without HDD) Note: 1: Motion detection 2.0 and perimeter protection cannot be enabled at the same time. Enable one function will make the other one unavailable. 2: Enhanced IP mode might be conflicted with smart events (motion detection 2.0 and perimeter protection) or other functions, please refer to the user manual for details. 3: The number of audio inputs and alarm in/out can be optional. The tag on the package will describe audio input and alarm in/out parameters. For example, “4A+8/4ALM” means your device has 4 audio inputs, 8 alarm input and 4 alarm outputs. If your device only has 1 audio input, the tag may not describe it. Wholesale Welcome! We have always been doing our best to provide the best service and reliable products for our customer. Customers are responsible to check product compatibility issue. If you have questions about product please feel free to contact us. Items will be Shipped on the Same or Next Business day of receiving full payment. All sales are considered final, and no refunds All the DVR system, cameras, cables are non-refundable All defective items must be noticed within 7 days after received. Buyers need to return the defective item for the replacement at his own cost. Item must be original condition. If the order is not found to be defective and is as described there will be a 20% restocking fee. Our warranty does not apply to products that have been misused, modified, repaired or abused by anyone. We reserve the right as final authority on whether the products should be replaced or refunded. Shipping and handling charges are non-refundable at any case. Please make sure your shipping Address is Correct. We will only follow your address listed in the eBay payment for the shipment. We have no responsibility for shipping address provided. Due to the secure reasons, we are not allowed the address change through the email. Buyers need to pay S&H again for reshipping the item (except the wrong buyer address is written by us). Please Note: Packages are NOT shipped on Saturday or Sunday. Normal transit time is 3-6 business days. We cannot be held responsible for delays caused by carriers. Shipping time is estimated and not guaranteed. Thank you