Feature 50000LM Super Bright No Ballast Plug&Play Specification Number of Bulb 2 Fitting H1, H7, H4, H8/H9/H11, 9005/HB3, 9006/HB4, 9012/HIR2 Technology Fog Lamp, Auto Headlight Kelvin Rating 6000K White Color Lumen Flux 50000LM/Pair Chip Type 16 Pcs 3570 CSP Chip * 2 Sides Voltage DC 9-16V Power 150W/Pair Material Aluminum alloy Warranty 2 years Note 1.This bulbs is WITHOUT canbus system, fit for 95% of the vehicles. For vehicles need canbus system it may show errors or flickering after using the LED. It's not quality problem, If this kind of problem occurs, you need buy additional decoders to eliminate errors or flicker. 2. About the adapter: Some H7 lamp holders of some cars are not standard designs, and additional lamp holders are needed . 3. H8 H9 H11 are the same socket