Specifications: Enhanced Double horn and double ultrasonic Mosquito sect RepellerColor: WhiteMaterial: ABS Plug Type: US Plug/EU Plug/UK PlugPower Supply: AC 90V-250V, 50-60Hz Power: 5-6W Ultrasonic Frequency: 22-65KHz Effective Range: 80-120 Square Meters Working Temperature: 0-40C Product Size: 90 * 55 * 50mm / 3.54 * 2.16 * 1.97in Package List:1 * Ultrasonic Pest RepellerUS/EU/UK PLUGThis product applies the powerful ultrasonic technology to repel away bugs, mice,Cockroaches, rodents, spiders, ants and rats, while safe for human and pets.Just plug our repeller into the socket to compel pests from leaving your home,No need to clean up dead insects and pests anymore Enjoy an eco-friendly pest repelling experience right now Features: Works by continuously transmitting a powerful range of ultrasonic sound waves that drives away pests. Non-toxic and harmless to humans and pets, an alternative to toxic chemicals and dangerous traps. Protects an area up to 80-120 square meters if there is an open space. Just plug in the socket, easy and convenient for use. LED light indicates that it is currently working. Low power consumption, suitable for long time operation. Does not interfere with the operation of radio, television or other electronic equipment. Note: 1. This machine should be installed at 80-120cm away from the floor.And vertical to the floor and plug to the power socket. 2. The installing point should be avoided to be in the back of the curtain,Fridge, and any other furniture that deterring or attaching frequency. 3. It's normal that the mouse and vermin will increase at the beginning of the using days.Because they are moving away from their living place after the attack of ultrasonic. 4. Don't clean the machine by strong impregnant, water or damp cloth.Use dry and soft cloth with some neuter wash to clean it. 5. To increase the effect, you should use several sets machines at the warehouseOr goods pile-up, several rooms.