* No radialization
* Warning tone to alarm
* Freely set the distance from 0-25M
* Transmitter current: 2MA
* Receiver current: 5MA
* Warning current: 70MA
* Frequency: 433MHz
Transmitter: 44*28*8.7mm
WT: 9.3g(with battery
Battery: Lithium CR2032*1
Acceptor: 60*36*15mm
WT: 35.5g(Without battery)
Battery: #7*1