Specification : Power & Lumens: Options 1 : 80W/ 16000LM/pair; COB Chips Color Temperature: 3000K/6000K/8000K Operating Voltage : DC 9V-36V; Operating Temperature: -40 ~ +85 ; Lifespan: More than 50000hrs; Material : Aviation aluminum 6063; Single Beam: H1/H3/H7/H11/9005/9006 Double Beam: H4/9004/9007/H13 For some special car , if the bulb flickering or has error meage, it need extra canbus decoder, for most of cars , it doesn't need it Package Include: 2 Pieces LED bulbs Main Feature 1. Beam: the line and beam shape under the spotlight are good. 2. Chip: COB chips, high quality and long service life; Rivet fixing. 3. Material: metal, more luxurious, long service life. 4. Adapter: external adapter for extended service life and plug and play. 5. Fan: high speed 12000rpm, good cooling effect and long working time. 6. Waterproof: well sealed, waterproof grade up to IP68. Different Model Sockets for LED Car Headlight Bulbs and Sizes The below information is for H4 Car headlights bulbs