Item Type: Ultrasonic Bug Repeller_x000D_ Material: ABS_x000D_ Plug Specification: EU Plug 90-250V_x000D_ Working Power: 4-6W_x000D_ Ultrasonic Frequency: 25-65_x000D_ Coverage Area: 120-150 _x000D_ Applicable Objects: Cockroaches, Rats, Bugs, Etc. 1SIMPLE AND QUIET: Ultrasonic bug repeller device is based on ultrasonic bug control technology, providing a simple and quiet way to stop bugs. 2SAFE: Electronic ultrasonic bug repeller is free odors and chemicals and is safe for children, pregnant women and pets. 3EASY TO USE: Plug in ultrasonic bug repeller simply plugs into an outlet and starts working when the blue night light comes on. 4ALL ROUND PROTECTION: Ultrasonic bug repeller is an effective 360 degree bug repellent with an ultrasonic frequency of 25?65 and covers an area of 120?150 . 5COMPACT AND CONVENIENT: Ultrasonic bug repellent comes with a plug on the back, plug and play. Compact and convenient, can be used in many places.1 x_x000D_ _x000D_ UltrasonicBugRepeller 1 x Instruction Manual Since ultrasonic sound does not penetrate wall and solid objects, one unit per room is recommended.