size:

Length: 420mm width : 138mm height: 110mm

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)