Wireless Magntic Door Contact Widely used in residence/Commercial door and window opening detection alarm.

Features
Low consumption used CPU
Patented Mutil code
Auto status report
Tamper alarm
Periodical report when the door and window are not well closed

Dimensions
Transmitter: 29 x 74 x 12 mm
Magnetic Stribe: 8 x 32 x 24 mm
Weight: 50 gram
Color: White

Package Content:
1 x Wireless Magnetic Door contact
1 x CR123A lithium battery