Feature: 1. Effective Coverage: The electronic pest repeller can effectively cover and control the area up to 800 to 1200 feet per device, so can be used with confidence 2. Quiet Operation: The electronic indoor pest repellent works quietly and with low noise, so you can set the pest repeller up with peace of mind in a kids room, bedroom or guest room 3. Scope of Application: Suitable for fleas, cockroaches, mice, insects, mosquitoes, ants, etc., safe for people and pets (except hamsters), for homes, warehouses, shops, hotels, hospitals, offices, factories, etc 4. Easy to Use: Just plug The ultrasonic pest repeller into a power outlet and the blue light turns on to start repelling 5. Pay Attention: Is recommended to install 1 device per room. Ultrasonic cannot pass through materials and wall, so please do not place anything in front of it and keep doors and window closed to allow the ultrasonic to propagate and work Specification: Item Type: Pest Repeller Material: ABS Rated Power: 3W Power Supply Voltage: AC 90V to 250V Power Frequency: 20 to 55KHz of Repelling Effective Coverage Area: 800 to 1200 sp.ft./80 to 120㎡ Per Unit Suitable for All Pests: Fleas, Rodents, Cockroaches, Insects, Mosquitoes, Ants, Bed Bugs, Etc. Features: Non Toxic, Environmentally Friendly, Chemical Free, Safe for People and Pets (except hamsters). Package List: 1 x Pest Repeller