POWERFUL BUG ZAPPER - The mosquito killer lamp is designed from the latest ultrasonic technology which sees it use LED blue-violet light band to emit a wavelength of 365-420nm to provide a fatal attraction to the mosquitoes while achieving a 360° brightness that ensures the mosquitoes are automatically eliminated near its strong voltage. This Mosquito killer lamp assures a healthier lifestyle. 2.2 IN 1 FUNCTION - Coming with a wall switch, this efficient lamp allows you switch between modes- lighting, lighting and bug killer, giving you the ability to use for different functions. To use the zapper function, all you have to do is flip the switch twice. You can also mute the lamp for a silent operation that won't affect sleep. 3.100% SAFE & ECO-FRIENDLY - Using the latest ultrasonic technology with zero application of dangerous chemicals or sprays, our Electronic mosquito killer guarantees a safe, long lasting and environmentally friendly bug control option