CB-6-32T8-E-MVOLT T8 Cool Beam Fluorescent High Bay By Oracle Full Body construction is formed from 22 Gauge steel to ensure rigidity and endurance. Body includes knockouts on top and sides for easy wiring Reflector is attached to body with 4 screws, and hinges down along with lamps for easy access to ballast. Rotary Lamp sockets hold lamps in place and allow for easy relamping Wireguard is standard white finish and may be combined with lens option. Wireguard and lens option come preinstalled with hinged doorframe for easy access to lamps. Additional options such as motion sensors, emergency ballasts, lamps and wiring all come prewired from factory. 95% reflective premium reflector material is engineered to optimize performance for 93% total fixture efficiency