Operating frequency:20 Khz
Weight:272 g（including the battery）
Length: 420mm width : 138mm height: 110mm
handle measurement:30X30mm
Operating frequency:
20 Khz
Weight:
272 g（including the battery）
size:
handle measurement:
30X30mm
Regulate the way:
Manual
Indicator:
BZ, vibration motor
LED light proves :
LED red warning indicator lamp LED green insufficient indicator lamp of voltage of indicator lamp LED battery of power
Battery:
A 9V battery (suitable for working for 40 hours normally)
Control:
change the three-position switch (ON, OFF, a sound of light or mode of vibration)