Greenstrike's Outdoor Flying Insect Trap uses UV light and heat to attract flying insects near the trap. A highly powerful suction fan, vacuums the flying insects into the trapping cage. Perfect for patios, decks, camping and picnics, it is silent and odorless compared to zappers and propane traps. To clean the trap, simply unlock the trapping cage and dump dried, dead insects into trash. Great at trapping mosquitoes, flies, moths, june bugs and more.