Features:How it Works: The Ultrasonic Pest Repeller uses high-frequency ultrasonic technology to disrupt and stimulate mice's sense of smell hearing and central nervous system making them uncomfortable and forcing them out of your home.Child and Pet Safety: Use advanced ultrasonic waves that go through your walls furniture and ceilings to can chase away mice rats and cockroaches. You don't have to use chemicals to kill mosquitoes or clean up their remains afterwards.Ease of Use: The convenient and fast way of use brings you convenience. You only need to insert the ultrasonic plug-in insect protector into the socket.Wide Effective Coverage Area: One ultrasonic pest repeller can effectively cover an area of 100 square meters which is suitable for home warehouse office hospital restaurant garage etc.After-sales Service: If there is any problem with our products please contact us first we will provide you with solution in the fastest time. So why not give it a try?Specification:Material:ABSSize: 68*90mmNotes: Please allow slight tolerances in size due to manual measurement and lighting in photography may result in a difference in color than in real. includes: 1*Ultrasonic Mosquitoes Repeller"Products from Bazhou's store