The IP44 waterproof shell resists daily weather. Triple Trapping Power: Use UV light to attract flies, mosquitoes, gnats and other insects. Then, the powerful fan sucks it in and the sticky glue boards trap it. Safe Pest Control Traps: Our gnat traps for house indoor is made of fire-proof material and doesn't emit harmful substances like insect spray which is safe for children and pregnant women. It's also odor-free and operates quietly with no buzzing or zapping to not disturb people and pets. Works On Most Insects: With a 16W high-intensity ultraviolet electronic lamp, this no-zapper fruit fly traps for indoor releases specific wavelength of 365-395nm to attract mosquitoes, gnats, fruit flies, wasps, moths and other most insects except large flies or horseflies. When used indoor, ensure to remove the roof for a maximum 500 sq. feet of UV lure. Innovative Design: This mosquito repellent outdoor feature a waterproof roof to prevent the trap’s reservoir from filling with water when placed outdoors. Our fly killers are your perfect solution for year-round protection from flies and other flying insects. You can either hang it with the attached hanger or place it on the ground. Indoor And Outdoor Use: can be used in balcony, bedroom, living room, kitchen, garden, hotel, camping, enclosed courtyard and other places.