The theory:
Mini Ultrasonic Mosquito Repeller adopts high-tech,using ultrasonic principle to repel mosquito, make a pest uncomfortable enviroment drive pests away.

Method:
1.Plug unit into socket of 220V/110V AC wall outlet.
2.When the power is connected , the LED pilot lamp will light up indicating that your Ultrasonic Mosquito Repeller is working properly
3.When it is working ,very faint sound waves will be issued

Warning:

1.The environment have long time nobody stay,please pull out the plug
2.That product is not waterproof,please do not used in damp environment.
3.Do not closed your ear to the machine,so as to avoid hearing demage.

Specifictions:

Packaging & Shipping