Product Colors: White, Green, Pink. Power: 3WMute Drive, 20-40db, Almost No Sound, Create A Comfortable Sleep For YouUltrasonic Technology.The Product Can Repel Mice, Bats, Squirrels, Spiders, Cockroaches, Wasps, Ants, Crickets, Bedbugs, Silkworms, Mosquitoes, Bees And Other Small Pests.Wide Coverage.This Product Is Suitable For 800-1200 Square Feet Of Indoor Area, And Is Widely Used In Families, Warehouses, Offices, Gardens, Hotels, Etc. We Recommend That You Install One For Each Room, Because Ultrasound Cannot Penetrate The Wall. If Equipment Is Installed In One Room, They Have No Effect On Other Rooms. For Sites With Serious Pests, We Recommend To Install 2 Or More Devices.More Comfortable For Children & Pets.Do Not Use Harmful Poisons, Dangerous Chemicals And Traps. Replace Harmful And Dangerous Chemicals, Poisons And Traps With Ultrasound That Can'T Be Heard By Humans And Pets, Without Peculiar Smell.