The out housing of led high bay is made from alloy material which adopted special seal and surface coating to make sure the led could apply to humid, high temperature environment. The IP ranking of E-lite LED High Bay is IP65. It could reach IP 67 if you have special requirements. The LED High Bay could apply both outside and inside lighting applications. Another advantage is the led high bay needs lower voltage, currency, little heat emitting, well-designed thermal management, barely security problem compared to conventional lamp s. E-lite led high bay is efficient, embrace the Cree XT-E to make the led engine. We designed our own optic lens which could meet various requirements in many applications. The light efficiency for the whole lamps could reach 110lm/w.