Specification: 1) Power: 36W 2) Luminous: 3800LM 3) Lifespan: 30000hours 4) Working temperature: -40C~ + 105C 5) Color temperature: 6000K-6500K 6) Input Voltage: DC 8-48V 7) wiring: High temperature-resistant, high voltage-resistant 8) Output Power: 72W/Set (36W/Bulb x 2)Package Included:2 x COB LED bulbs (Built-in Fan and drive)