High quality injection molded polycarbonate lens. Features dual color LED design with 17 bright LEDs. Bright single function primary amber LED and secondary auxiliary LED. Pre-assembled with beautiful chrome plated plastic Grakon 5000 style housing. Foam gasket and mounting fasteners included. 12V DC electronics completely sealed to resist corrosion and moisture. Easy wiring with 3 wire leads, ground wire has ring terminal. Secondary color will override primary when on. Wiring color code: white=ground, yellow=secondary color, black=primary color. Primary color is DOT/SAE, FMVSS 108 compliant. Secondary color is for auxiliary and off road use only. IP67 water resistant. Secondary LED available in various colors.