1.Effective Physical Mosquito KillerThe insect killer uses 20W UV light bulbs outdoors to attract mosquitoes and flying insects, then the 4250V power grid can kill them instantly. 2.Environmental protection and safetyThe insecticide has been registered with EPA and is safe for your family and pets. The inner mesh is closed with an ABS shell to keep children and animals out of the reach. 3.Wide ApplicationWide range of defense up to 1,500 square feet, can be used at home, patio, lawn, garden and even when camping. Indoor and outdoor bug killers attract most flying insects: mosquitoes, Aedes, gnats, midges, flies, horse flies, fruit flies, house flies, moths, wasps, etc. 4.IP44 Waterproof DesignWith high-quality IP44 waterproof design, this mosquito killer can be used in indoor and outdoor places such as balcony, garden, courtyard, etc. Whether it's sunny or rainy, it provides you with a pest-free environment. Works better at night and in darker environments.