With an output of 120 lumens per watt this powerful LED high bay fitting is suitable for most industrial lighting applications. It is the ideal LED high bay for factories warehouses and work shops and is IP65 rated ensuring extra peace of mind. The 150 watt rated UFO high bay will emit a 4000K cool white light through a 120 degree beam angle and is compatible with 1-10V dimmers. This fixture has been designed to reduce running costs and increase energy efficiency whilst in turn replacing any traditional incandescent highbay lighting units. Dimensions 340 x 171mm. Please note that the true colour output of lighting products should be based only on the Kelvin rating. The descriptors warm white cool white daylight etc are used only as guides to describe the colour of the light and can vary between brands.