Smarter Protection: It uses intelligent frequency conversion technology and the heat dissipation system can continuously release different frequency ultrasonic waves 24 hours a day. Make sure pests do not develop immunity and adaptability, effectively repel fleas, rodents, cockroaches, mice, insects, mosquitoes, ants, rats, bed bugs and much more. Human/Pet Friendly: Physically destroying the living environment of pests, ultrasonic waves only affect pests and mice.For children/pregnant women/elderly/pets, the pest repellent is safe and does not interfere with electrical appliances.Silent and non-radioactive operation. Humanized Design: Our repeller is very convenient to use, just plug it into a wall socket 10~47 inches from the ground.There is no noise during use, meanwhile, the smart night light will build a warm and comfortable environment for you. Wide coverage: ultrasonic pest repeller can be used in various places, such as bedrooms, bathrooms, garages, kitchens, offices, warehouses, flour processing plants, food processing plants, furniture store, etc., which cannot use baits or pesticides.The maximum coverage of our ultrasonic pest repeller is up to 1200 square feet. Multi-purpose and energy saving: It is quiet and less energy consumption.Suitable for living room, bedroom, kitchen, shop, house, warehouse, garage house, apartment, shed, tenants and more.