Item Description: Feature: - Non-toxic, environment friendly - 22-65KHz of repelling ultrasonic frequency - Can effective drive mosquito, mouse, cockroach, mosquito, insect etc. - Easy to use, plug and play, it can be plug directly to AC220 V power socket. - Take good care for you and your family members Note: - This machine should be installed at 80-120 centimeter away from the floor. And should be vertical to the floor and plug to the power socket. - The installing point should be avoid from carpet, curtain etc. attaching sound material. Or else, the decrease of the sound pressure will do harm on the helminthes effect. - It's normal that the mouse and vermin will increase at the beginning of the using days. Because they will get away from their living place after the attack of the ultrasonic.
