MYMIJUE Pest Control Ultrasonic Pest Repeller, Electronic Plug In Repellent Against Bugs Mice, Rats, Ants, Mosquitoes, Cockroaches, Spiders, Flies and Other Insects No harm to human and pets, no affect on appliances, but extremely annoying to rats, ants, mosquitoes, roaches, and more insects Just plug the pest repeller into wall outlet, it will keep pests away from your house, children, pets, you have pest-free environment Energy saving and all day working with low power comsuption, power enough to repel pests between the walls, in kitchen and attic Range is 50-80 square meter, best effect is 50 square meters, widely used in home, warehouse, store, hotel, hospital, office, room, garden, etc. 100-110v voltage with standard US plug, power 5W-6W, frequency 50-60kHz, size 9x5x6cm, meterial ABS, white color