Effectively eliminating outdoor flying, biting, stinging insects. GUARANTEED. Pestrol Outdoor Exterminator Mosquito Trap effectively removes mosquitoes, flies, moths, asian beetles, no-seeums, wasps, and yellow jackets without the use of propane. Two UV fluorescent bulbs (included) produce warm light to attract insects. The titanium dioxide coated funnel works with the warmth of the light to produce carbon dioxide which is irresistible to lure mosquitoes and other flying insects into the Pestrol Outdoor Exterminator Mosquito Trap. Pestrol Mosquito Trap Enjoy backyard picnics, barbecues and warm-weather activities without having to shoo away the buzzing, flying insects that haunt your yard. Unlike insect systems that require propane and expensive refills, the Pestrol Outdoor Exterminator Mosquito Trap operates economically and is easy to install. This Pestrol Outdoor Exterminator Mosquito Trap eliminates mosquitoes, biting flies, Asian beetles, and other flying pests from your outdoor as well as indoor living spaces. This system is safe for indoor use, and it eliminates insects without adding chemicals to the environment or the surrounding areas of usage. The Pestrol Outdoor Exterminator Mosquito Trap uses one UV fluorescent bulbs, which produce warm light to attract insects. The titanium dioxide-coated funnel produces carbon dioxide, which is irresistible to mosquitoes, luring the insects to the powerful yet whisper-quiet vacuum fan. Insects are collected and trapped in the retaining cage away from the area of usage, providing the user safe pest protection and comfortable living quarters.