* 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
Transmitter36.3mm x Thickness 13.2mm
WT25gwith battery
BatteryLithium CR2032