This is a big power, high efficiency vibrator, the unique design of heat radiation base make it always work in long time.
It has two grades, weak grade, strong grade, can be changed as necessary.
Before power on, put the switch in the middle part ''O'', and then power on, turn on the switch( the indicator light comes on ), and choose the strong grade or weak grade, finally turn on the switch two or switch one, it starts to work. Max load: 2 kg Voltage: 110v