WORKS ON MOST INSECTS: The mosquito zapper indoor and outdoor uses UV light to attract mosquitoes, gnats, Aedes mosquitoes, flies, fruit flies, moths, ladybugs and other insects. Then the high voltage 4200V grid will trap and electrocute the mosquitoes and flying insects immediately.TOUGH WATERPROOF MOSQUITO KILLER: Waterproof design reduces restrictions of our bug zapper indoor and bug zapper outdoor use. No matter the weather like, sunny or rain, just put a fly trap in the place you need.GET RID OF THOSE ANNOYING BUGS: Fly traps has a 3m/9.8ft long cord that can be easily hang on the tree, porch, and just about everywhere you want.LIGHT SENSOR MODE: Different from most the similar products on the market, our electric bug zapper can work in LIGHT SENSOR mode: auto switch on and start working when it senses the environment is dark, and auto switch off when the environment gets bright to save power and extend the longevity of the light tube. It can also run 24/7 in regular mode.POWERFUL & EFFECTIVE: Mosquito zapper covers an area of 900 sq ft and can be used on homes, living rooms, balconies, courtyards, gardens, patios, etc.EPA REGISTERED: Meet the fly zapper with no chemicals, insecticides, and harmful sprays, only the effect of current, which electrocutes mosquitoes upon contact.CONVENIENT DESIGN: Hanging hoop makes this mosquito killer convenient to hang. Removable bottom tray to collect insect debris. Comes with a brush for easy cleaning!SAFETY AND ECO-FRIENDLY: Mosquito killer housing is made of ABS plastic, preventing accidental finger touch. So you don't have to worry about this fly trap will hurt your family or pets.