2 PCS S2 9004 HB1 DC9-36V 25W 6000K 2500LM IP68 Car LED Headlight Lamps (Cool White)1. High brightness: The latest cob with 6000K cold white LED chip; 200% brighter than the existing halogen headlights. 2. Strong heat dissipation: equipped with highly silent heat dissipation fan, speed up to 12000min, heat dissipation efficiency, can avoid temperature accumulation on the beads, prolong the service life of the beads. 3. Simple Installation: Installation only takes 10 minutes. No relay. There is no capacitor. No additional wiring. Plug and play. 4. IP68 waterproof: using integrated radiator and aluminium body self-cooling, waterproof and heat-proof. Even in extreme cases, the enclosure of the rainproof driver can work properly. Automatic short circuit protection. 5. Glow on all sides: 360 degree no dead angle lighting, use more clear and bright at night. 6. Specification: Wattage: 25WBulb High luminous efficacy Flux: 2500LMBulb Waterproof: IP68. Voltage: 9V to 36V. Wide-range voltage, constant current control, anti-interference circuit design. Application: Upgrade for Car, Truck, SUV, RV HID Xenon Headlight. ALL IN ONE Style, no extra driver needed . Long range: 6000K color temperature and 200m light range.