This machine should be installed at a distance of 80-120 centimeters from the ground. And it should be vertical to the ground and plug into the socket.

The installation point should prevent the carpet, curtain, etc. adhere to sound material. Or else, the decrease in sound pressure will damage the helminth effect.

This machine can be plugged directly into AC220V (or 110v) outlet. (Power range: Ac90v-250v.Frequency: 50HZ-60HZ

Caution:

Moisture-proof, waterproof Do not clean the machine with strong impregnants, water or damp cloth. Use a soft dry cloth with a little neutral washing to clean the machine

Do not drop the machine and hit it hard.

Using room temperature: 0-40 degrees centigrade.

Non-foxic, environmentally friendly

Save and harmless22-65KHz of repellent

Ultrasonic frequency80-120 square meters of protection