Features: No warm-up time required, high-voltage protection extends lifespan compared to standard LEDs, easy installation, and consistent brightness output. Includes a customized external driver and intelligent control system. The advanced control driver provides power-off protection and maintains stable power supply for long-term LED operation. Waterproof construction ensures no leakage, dust-proof, cold-resistant, shock-resistant, capable of withstanding various harsh weather conditions and extending service life. Compatible with reflector and projector headlight assemblies. LED bulbs allow for easy adjustment to achieve precise beam patterns with reduced light scatter and minimized dark spots. Advanced cooling system: built-in copper tube in the base material combined with a high-speed cooling fan effectively dissipates heat to maintain optimal LED performance. Specifications: Material: Aluminum Size: Approx. 4x7.2cm / 1.57x2.83inch Socket Type: H1 Size: Approx. 4x7.8cm / 1.57x3.07inch Socket Type: H4/9003/HB2 Single Size: Approx. 4x7.6cm / 1.57x2.99inch Socket Type: H7 Size: Approx. 4x7.6cm / 1.57x2.99inch Socket Type: H11 Size: Approx. 4x7.6cm / 1.57x2.99inch Socket Type: 9005/HB3 Size: Approx. 4x7.6cm / 1.57x2.99inch Socket Type: 9006/HB4 Voltage: 9V-30V Power: 40W Lumen Output: 8000LM Lamp Beads: COB Color Temperature: 6000K Lifespan: >50000 hours Note: 1. Please allow 1-2cm measurement deviation due to manual measurement. Confirm you accept this before ordering. 2. Due to differences in monitor displays, actual item color may vary from the images shown. Thank you for your understanding. Package Includes: 2x LED Car Headlight Bulbs