Features: 1.The variable frequency light wave automatically switches between 360nm wavelength and 395nm wavelength, which can attract different kinds of mosquitoes and flies. 2.Built-in bionic mosquito attractant, which simulates human body odor, is safe and smoke-free. Built-in Gaseous system, which will simulate body temperature and heat after booting, attract mosquitoes and strengthen the ability of mosquito attracting 3.Funnel type anti-escape device, running sound is not higher than 30db 4.Applicable area 40-80 square kilometers. 5.The light control switch can automatically turn on or off according to the ambient light, reducing unnecessary power consumption. Package List: 1 x Plug-In Mosquito Killer