10-30V DC. Cree 3W LEDs. 50,000+ hours lifespan. EMC, CE, IP67, RoHS Certified. Avaliable in spot beam. Over/under voltage protection. Reverse polarity protection. Operating temperature:-40??C to +60??C. Integrated-Epoxy encapsulated. PC (Polycarbonate) lens. Aluminum extrusions profiles housing. Aluminum alloy die casting housing. 304 stainless steel brackets. 304 stainless steel mounting bolts.