【Ultrasonic Pest Repeller】To better modify and irritate the nervous system of pests, which can effectively repel flies, fleas, mice, rats, cockroaches, mosquitoes, ants, spiders and other pests. Safe and Eco-Friendly: No chemicals, no poison, no peculiar smell, no noise, environmental protection and 100% safe for pregnant women, children and pets, replacing harmful and dangerous chemicals. Wide range of uses: small, light, easy to use and carry. Widely used in home, warehouse, basement, garage, store, hotel, hospital, office, factory, greenhouse, etc. Wide Coverage Area: The ultrasonic repeller works on an area of 80-120 square meters, if you have an ultrasonic repeller in every room you can achieve the best results. Easy to use: Plug the ultrasonic control into the outlet and it will work. (20 to 80 cm above the ground) Colour: 2 - Pack Technical specifications: Housing material: ABS plastic. Sound wave frequency: 22-65 KHz. Operating voltage: AC 90-220 V. Power: 5 W. Scope of