The GL-BL150 is a 147W Bay Light for high bay and outdoor lighting applications. Featuring up to 16,300 lumen output, the GL-BL150 produces enough illumination for demanding warehouse lighting applications and also features rugged IP66 weatherproof design for outdoor usage, such as outdoor stadiums, buildings and more. The high output performance means less lighting needs to be installed for a given area. All this performance comes from just 147W of power, giving the GL-BL150 an excellent lighting efficiency ratio of up to 111lm/W.