* no radicalization
* 256*256 different codes
* beep & vibration to alarm
* freely set the distance from 0-25m
* receiver current: 5ma
* 1-1 matching, no interference
* frequency: 433.92MHz
Transmitter: 36.3mm *thickness 13.2mm
Wt: 25g(with battery)
Battery: Lithium cr2032*1
Receiver: 60*36*15mm
Wt: 35.5g(without battery)
Battery: #7*1