KERUI Wireless Mini Small Micro Door Sensor Home Security Door Window Sensor Detector Anti-Tamper For GSM WIFI Alarm Sys

Kerui 433MHz Wireless Door Window Magnetic Sensor Detector For Home Security Alarm System Touch Keypad

Note:This product must work with alarm system,it can not work independent.

Item Information

1.Built-in Antenna
2.Operating Power: 3V CR2032Button Battey(Not including battery)
3.Transmission frequency: 433MHz
4.Compound multi-layer design
5.Built-in omnidirectional antenna
6.Superior circuit design
7.High-performance and low power consumption
8.Superior ABS material
9.Working frequency:433MHz
10.Shock resistence:4.7M,1.2M.3.5M,300k
11.Transmission distance:50-150m in open area.