JJMG NEW Electric Bug Zapper Fly Swatter Zap Mosquito Zapper Gnats Zapper Best for Indoor Pest Control (9w Lamp) Led Indoor Electric Mosquito Fly Bug Insect Zapper Killer Trap Pest Control Lamp Output: 9W Dimension: 17 x 17 x 27 cm, Effective Range: 20-30 Square Meters, Voltage & Plug : USA Standard FEATURE: 1.High-quality ultraviolet tube. 2.Convenient to hang up from the top. 3.With a collecting tray on the bottom. Easy to clean the dead insects. Function: This unit is utilized a high-quality ultraviolet tube to attract insect to the grill which is theneliminated by the high voltage current which runs through the electrified metal grid rear the tube CE, RoHS Approved product. Please note, this is not a battery operated unit. Need to plug into 110v power outlet to work.