Description: Drive Pests Out of Your Home,this ultrasonic pest repeller can repel Mice, rats, spiders, roaes, mosquitoes, ants ,ss.forcing them to eventually flee from your home.it works safe, non-, t more→asteless and efficient,will not cause any harm to humans and pets. It applies to villa,house,bedroom,kiten,bathroom,living room,dining-room,wareroom,bakery,office,storeroom, etc.this ultrasonic pests repeller makes your home cleaner.We recommend using one for ea room, this will be better. It is normal that the mouse and pests will increase at the beginning of the using days,because the ultrasonic interference of their physiological and nervous system, hiding in the dark pests will be forced to