ultrasonic pest repeller for Rats, Mice , cockroaches minilight function CE ROHs ceitificate electronic and ultrasonic pest repellerExtensive tests have demonstrated pest repeller is effective in eliminating, Rats, mice cockraches.Our customers have also reported pest repeller is effective against: silverfish, ANTs. water bugs, centipedesCAUTION :DO not use mosquito repeller if you have one of ...