10pcs Wired Door Sensors Home Security Alarm Door Window Magnetic Sensor Switch Work With GSM Alarm System

This order:

10 sets switch (NC type)

Due to the product built-in magnet, some

cases can not pass the security inspection (this situation is rare)!

Please don't worry! If the security check

fails, the package will be sent again!

Switch Type:

NC(normal close type),

The reed switch is an electrical switch operated by an applied magnetic field.

Designed for use with alarm systems.

Great for use in family and factory window, door

Descriptions:

Size:64*12.8*12.8MM

Action distance: 16mm ± 5mm

Switch withstand voltage: 100VDC

Load current: 300mA

Lifespan: 1 million times

Switch output: normally closed (normally closed: the magnet is close to conduction, and the magnet is open when it leaves)