Features: Super-concentrated design, light efficiency up to 99%, greatly improve the light type and illumination area brightness after the car lights are turned on. Anti-dazzling 6000K white light.IP68 grade waterproof, even underwater work is not affected at all. Explosion protection, shockproof, high temperature resistance and high pressure resistance.Unique open-type radiator, imported ultra-high speed 10000r/min fan, lifespan up to 50000 hours.Fast on/off response time, low power consumption and energy saving. Specification: Plug Type: H4 Color Temperature: 3000K 4300K 6000K Power: 28W Luminous: 4000lm/pcs Voltage: 9V-36V Highlights Current: 2.1A±0.2A LED Chip: CSP Beam Angle: 360 Degree Working Temperature: -20°C - 85°C Lifespan: 50000H Quantity: 1 Pair Package Weight: approx.424g 5 Functions(Steps): 1. Positive and Negative connected (default white 6000K) 2. Quickly turn on and off - 3000K 3. Quickly turn on and off - 4300K 4. Quickly turn on and off - Water Flowing Light 5. Quickly turn on and off - Flashing Light Package List: 1 * pair of LED Headlight