Insect trap attracts and kills flying insects across 1/2 acre. Damper flaps close when fan is turned off, keeping bugs inside. Extremely effective for outdoor and indoor use. Ultraviolet fluorescent bulb generates a warm light to attract insects. Effectively lures and eliminates mosquitoes using TiO2 titanium dioxide-coated surface to produce CO2. Powerful, but quiet vacuum fan sucks insects into retaining cage. Eliminates other flying insects including biting flies, Asian beetles, wasps, hornets, yellow jackets, moths, stink bugs, and more. Easy-to-clean and maintain. Durable all-weather construction. 10 foot power cord.