Specification Reflector patterns available in Basic 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: -20-145 degree Oversized heat sink Total Lumens:3542 Lm Housing: Extruded Aluminum, Anodized, Laser Etched Power Consumption:Max40 watts Emitter:CREE XM-L LED, 5000 Kelvin http://www.chinaautomotivelighting.com/
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