Ultrasonic Pest Repeller is extremly easy to use, simply plug it into a socket and it will start operating immediately. The device will emitted 22000Hz - 65000Hz ultrasonic wave which exceed the coverage of human and common pets' hearing. It is non-tox, noiseless, and radiation-free. Covering up to 50 square meters, it is capable of being used at household, office, restaurant, warehouse etc.

Recommended Placement

• Place the repeller on floor, desk, shelf, cabinet or any sturdy furniture where pests are usually found
• Place it in front of a door, facing a lobby or hallway
• Ultrasonic waves cannot pass through wooden cabinets door,  wall, ceiling and floor. If the insects are hiding in the dungeon and attic where the ultrasonic waves can reach, place multiple units of repellers nearby
• Reserve some space between the repeller and the ground