Features:
* Wireless 433 M Hz window door magnetic sensor, it
Includes:: one transmitter part & one magnetic part, with the function of detecting door or windows opening or closing.
* Monitoring & security system with high reliability, it will be triggered & immediately sends out wireless signal to main alarm system for warning when the door or window is open.
* Low power consumption, save power design, high-performance.
* Super design with small size, strong flexibility.
* Easy installation & high sensitivity.