Product Description Reflector patterns available in Adjustable and Combo 50,000+hours average life span 94% optical/reflector efficiency 9-36 Volt DC input Instant on/off, no warm-up Operating Temp: 04±145degree Oversized heat sink Total Lumens:1800 Lm Housing: Extruded Aluminum, Anodized, Laser Etched Power Consumption:Max20 watts Emitter:CREE XM-L LED, 5000 Kelvin 55mm Long, 46mm High, 85mm Wide http://www.chinaautomotivelighting.com/