EasyGoProducts Insect Trap-Insect, Mosquito, Fly, Bug Killer for Indoor-Outdoor Use Protects up to &frac12; Acre - Whisper Quiet Suction Fan with No Zapper Noise POWERFUL - This trap works by attracting the bugs by a high quality BLB bulb with the best luring efficiency to flying insects. EFFICIENT AND EFFECTIVE - Bug attracting water tray is also mounted around the unit to lure bugs that are drawn to stagnant water. QUIET AND SAFE - No zapping - no noise - no electric shock - can be used outdoors by installing the 4 legs or use indoors without the legs. EASY TO USE - Runs on 110 volt electricity. 100% SATISFACTION GUARANTEED - We are so confident that you will like this EasyGo Insect Trap that if you return it within 30 days for any reason we will give you a full refund on the product price. Try it we know you will like it!