about this item:

Just Plug In: Please install our item at 7-16 inches away from the floor . Just plug our electronic mice repellent into the socket and should be vertical to the floor. Usually ultrasonic resellers take 3-4 weeks to make effect. Safe & Economical: Discard your harmful chemical repellent. The electronic pest repelled is safe for pregnant woman and baby , Odorless and no radiation. Pest control uses ultrasonic frequency sound waves to drive pest and rats away without killing them. Wide Effective : The Ultrasonic Pest Repellent is effective for an area up to 800- 1,200 Sq. Ft. Since ultrasonic sound can’t penetrate wall, one room one unit is recommended. As for large storage area with serious pest , additional units is required. Various Application Places: This pest control ultrasonic can help you drive away all the pest, like spiders, mice, mosquitoes, rats, roaches, ants, snakes and so on. Suitable for kitchen, living room, bedroom, bathroom, warehouse and basement. Mild Humming Sound: The waves that this repellent sends are far beyond the hearing range of human-beings. The machine produces mild humming sound for pest repelling function.