This Site Might Help You.
Do Ultrasonic Pest Repellers Work ?
Bell & Howell have some out that claim to repel ants, roaches, rats, mice, by just plugging them into an electrical outlet, also Good Life and Black & Decker puts them out. They 'say' not to use them if you have hamsters, gerbils, etc, but that they are safe for dogs & cats. I wish...
ultrasonic pest repellers work: https://tr.im/qevAx
· 4 years ago