* no radialization
* Warning tone & vibration to alarm
* freely set the distance from 0-25M
* Transmitter current: 2MA
* Receiver current: 5MA
* Warning current: 70MA
* Frequency: 433MHZ
Transmitter: 24.5(D)x7(T)mm
WT: 6.5g(with battery)
Battery: CR2032x1
Acceptor: 60x36x15mm
WT: 35.5g(without battery)
Battery: #7x1