4X6 inch headlights offers LED low beam and high beam in the same light. Fit any car or truck that has 4x6 inch Headlights.Can be used as low beam or high beam. Pins on plug may need to be moved on some vehicles.Better visibility.45W LED create the perfect light for your vehicle with sealed beam light system. Better and more durable than HID kits. Simply change your headlight out.15 Ultra Bright 3W LED Chips.Compatible with H4656 H4651 H4651 H4652 H4652 H4666 H6545 1a1 led headlight 2a1 led headlight 2b1 led headlight. Fits most Peterbilt 379 Kenworth T-600 W900b Chevy C10 K10 S10 FREIGHTLINER CLASSIC FLB FLD，KENWORTH W900 T600 T800 K100，PETERBILT 379 362，INTERNATIONAL 9300 Chevy Ca Celebrity F150 F350 Please Note: Some modification to the headlight bucket may be required，but on most car，they are plug and play. Professional installation is highly recommended.We provide 1 year quality warranty making sure you get risk-free lights and 100% satisfied after sale services.