5-Pack Magnetic Contact Switches for Window and Door Alarm Systems NC 3/8
It consist of a reed switch part and a magnet part. When door closed, reed switch is effected by magnet and turn ON; when door open, reed switch is effected by magnet and turn OFF, trigger alarm. Ideal for window or wooden door.
5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm System NC 3/8″
It consist of a reed switch part and a magnet part. When door closed, reed switch is effected by magnet and turn ON; when door open, reed switch is effected by magnet and turn OFF, trigger alarm. Compatible Devices Alarm Panels.
5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm System NC 3/8″
It consist of a reed switch part and a magnet part. When door closed, reed switch is effected by magnet and turn ON; when door open, reed switch is effected by magnet and turn OFF, trigger alarm. Ideal for window or wooden door.