2pcs H4 LED Headlight Bulbs for Car, 40W, 12V, 6000K, Without Battery

Two pieces of H4 LED headlight bulbs for various car models (H1, H4, H7, H8, H11, 9005, 9006, HB3, HB4). These 12V 40W auto LED fog lights provide bright 6000K light. This product does not come with a battery.

Either one of the two bulbs is not functioning or is flickering. A warning light shows up on the dashboard. When the low beam is activated, one of the bulbs erratically activates the high beam feature. These scenarios suggest that the decoder requires adjustment.1. Every version of this headlight comes with both a low beam and a high beam. If your vehicle only has one of these after fitting a specific model, it indicates that different headlight models are utilized for the low and high beams in your car. Make sure to identify which models correspond to your car's low and high beams prior to making a purchase. 2. Certain vehicles require a decoder to be installed when using LED lights; otherwise, the following issues may arise:Introduction to Product Features •1. 1:1 lamp design with intelligent decoding, ensuring no errors. •2. Dual cooling system featuring cold-pressed aluminum for heat dissipation and a high-speed turbine fan operating at 12000 RPM. •3. Buckle design that rotates 360 degrees for easy installation without damage. •5. Plug and play functionality with both high and low beam options. Package Includes √2 LED headlight bulbsProduct Specifications Luminous output: 15000lm/set Operating voltage: DC 12-24V Socket types: H4, H7, H11/H9/H8, H1, 9005, 9006, 9012 Light source: COB Chip Color temperature: 6000K (white light) Material: Aviation-grade 6063 aluminum profile Operating temperature: -40 to 80 degrees Celsius Lifespan exceeds 50,000 hours Applications: headlights, fog lights Power consumption: 40W/set