OWLTRA OMT-L20 indoor & outdoor electric insect trap attracts a wide range of insects including mosquitoes, biting flies, wasps, moths, sink bugs, no-see-ums and more! It attracts these species with a UV light that generates heat & CO2 and a powerful suction fan. It can be used in various scenarios including villa courtyards, camping bases, and gardens, and can protect up to ½ acre. It can also be used in all weather conditions and is safe and eco-friendly.