Features: No warm-up for time, high-voltage for protection has a longer life than ordinary LEDs, easy installation, the brightness will be more stable. Equipped with the customized external drive and an intelligent control system. The powerful control drive can also provide power-off for protection and ensure that the LED bulbs stay at a stable power condition with a long-term working. Waterproof material, the LED headlight bulbs feature no leakage, dust-proof, cold-proof, shock-proof, can cope with various bad weather and prolong the service life. You can easily install these car LED headlights in the reflector or projector headlight assembly. LED bulbs are easy to adjust to create perfect beam patterns in different headlight components. No longer scatter light. No more dark spots. Advanced cooling system: built-in copper tube inside the base material, high-speed cooling fan can also disperse the heat into the air, so as to ensure the maximum performance of the LED bulb. Specifications: Material: Aluminum Size: Approx.3.5x9cm/1.37x3.54inch Size: Approx.4.8x9.5cm/1.88x3.74inch Size: Approx.4.5x8.3cm/1.77x3.26inch Size: Approx.3.5x8.5cm/1.37x3.34inch Size: Approx.4.5x8.5cm/1.77x3.34inch Size: Approx.3.5x8.5cm/1.37x3.34inch Voltage: 9V-36V Power: 38W Lumen value (brightness): 3800LM Lamp beads: COB Color temperature (color): 3000K 6000K Package Includes: 2x LED Car Headlight note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.