Features: Plug-in ultrasonic pest repeller for repelling insects. Eliminates all types of pests, like rats, mice, ants, roaches, mosquitoes, spiders, bugs and much more. Safe and easy to use, no more harmful chemicals, sprays, poisons and traps typically used in household, drives pests out without killing them, no need to clean up dead insects. Create a pest barrier, emits ultrasonic - deep penetrating electromagnetic waves to prevent pests from entering your home. Effect range, have great effect in 50 meters in the room. Environment protected, flavorless and teeny used energy, as well as ABS material. Light indicator the light flicker after plug it in. Input voltage: US Plug: 110V EU Plug: 220V UK Plug: 220V Input frenquency: 50 - 60Hz. Input power: No more than 2W. Output audio: 20 - 65KHz. Type: Practical, Comfortable, Eco-friendly, Safety Material: ABS Occasion: Home, Living Room, Kitchen Room, Bedroom, Dining Room, Office Size: 38.2*41.5mm Package List: 1 x Ultrasonic Pest Repeller