Designed and manufactured of powder-coated, die-cast aluminum, the new GRG luminaire is compact, lightweight (only 7lbs. assembled) and delivers up to 109 lm/W. GRG is designed specifically for superior performance in parking garages. The GRG's highly-efficient integrated heat sink, along with an exterior mounted driver, ensures exceptional thermal management for decades of service. The GRG comes standard with proprietary 44kA/22kV surge suppression.