Description This item is designed for car, trucker as a light bulb. Each bulb contains a high-speed mini-fan for faster cooling and aviation-grade aluminum heatsink to remove damaging heat and allow bright, even light over its 50,000 hour lifespan. With a narrow strip light of light emitting surface, close to the halogen design, rather than other products circular surface emitting. Features - Color: as shown - Material: aluminum - Size: 3.5 x 3.5 x 8cm - Input power: 36W - Power: 40W - Color temperature: 6000k - Lifespan:>5000hrs - Luminous flux: 8000lm - Usage: designed for car, trucker as a light bulb. - Each bulb contains a high-speed mini-fan for faster cooling and aviation-grade aluminum heatsink to remove damaging heat and allow bright, even light over its 50,000 hour lifespan. - With a narrow strip light of light emitting surface, close to the halogen design, rather than other products circular surface emitting. - Rainproof driver, housing, and fan works even in harsh situations. - Lamp low heat: far less than halogen lamp and HID lights, greatly prolongs the service life of lamps and lanterns. 2 x headlight bulbs