* no radicalization
* 256*256 different codes
* beep & vibration to alarm
* freely set the distance from 0-25m
* transmitter current: 2ma
* receiver current: 5ma
* 1-1 matching, no interference
* frequency: 433.92MHz
Transmitter: 33x28x11mm
Wt: 10.8g(without battery)
Battery: Cr2032*1
Receiver: 46x38x15mm
Wt: 35g(without battery)
Battery: Cr2032*1