Operate Frequency
7.5KHZ+/-1KHZ
Sensitivity
Min.8"inch(Test Coin:us 50
Size
540mm(L)x345mm(w)x150mm(H)
Operating Voltage
7.2~9.6V
Operating Current
stand by~65mA MAX~150mA
Work temperature
-20℃~+60℃
Battery
6*1.5 volt AA alkaline batteries
Color
yellow, black, army green