1.UV Lamp --- 365Nm Wavelength UV Light AttractsAnd Lures Mosquitoes And Bugs. 2.360° Suction Fan --- Mosquitoes Are Sucked Into The Insect Trapper By Fan's Suction PowerEffectively. 3.Eco-Friendly--- Physical Mosquito KillingMethod,Environment Protection: Non-ToxinAnd NoRadiation 4.USB Power Supply --- Powered By USB With Dc 5V Safe Voltage. It Can Be Connected With An Adapter.