The CRB is a compact wet location high bay with a diecast alluminum housing, standard polycarbonate lens and fully qualified components replaces 750W HID.Compact wet location high bay, Lumen packages from 14,000-34,000, Efficacy up to 143 lumens per watt, 4000K and 5000K options and 80 CRI, IP66 rated, IK07 rated, Durable die-cast aluminum housing and polycarbonate lens, DLC® (DesignLights Consortium) Premium Qualified. Please refer to the DLC website for specific product qualifications at www.designlights.org, 5 Year Warranty,