The units used aluminum alloy and closed asides make it stronger than other ones. The unit uses UV light to attract the phototaxis flying insect and then electrocuted them by the inner high voltage grid follow their bodies fall into the catch tray waiting for cleaning. Application Seaside and larker Houses & Hotels Restaurant, Factories, Food shops, Hospitals, Storage, Kitchen, Bars, Cafes, Farms, etc Features Patent design, unique side design for 360 degree attraction. Decorative and easy to use. Attracted insect by UV light and killed by high voltage inner grid. Philip OEM factory lamp with Philip luring tuber and radiation of near ultraviolet rays wave length: 360nm the luring tuber supplied by Philip and make sure that our lamp luring insect effect are same to Philip lamp. the wave length from 320 to 400 nm can luring the insect, but the best are 360 nm, our lamp take Philip technology which can balance the wave length among 360 nm. Low consumption and long life magnetic ballast, all our products are used magnetic ballast, which have a long usage life compared to electronic ballast. In fact many factories in china the used electronic ballast for a cheaper price, but they take their honesty on risk, as you know this risk not only on wholesaler but also on the final customer. Strong metal construction and non-corrosive electrostatic painted. Environmental friendly, no sound, no smell, no chemicals, no fumes and no insect bodies around the lamp, the insect killer is aim to kill the insect and improve the human live condition. All of our products are take this in our consideration and be strict to every part of our products to ensure that our products are friendly to human beings and improve human live condition.