PERFECT BEAM PATTERN, 400% BRIGHTER— Adopted with double-side custom led chips, 6500K xenon white, 70W/pair, 8000LM, 400% brighter than original HID headlight, super bright, no dark spot, no shadow or flicker, see wider and further and provide a safer driving on your road. 4-LEVEL DECODING D1S LED HEADLIGHT—Upgrade D1S led headlight with 4-Level decoding, which can greatly handle the CANBUS error issue. Please adjust the 4-level decoding to match the most suitable decoding level for your cars. NOTICE: Please adjust the level from low-end to high-end, from Level 1 to Level 4. And its better to keep it stay low-end if there is no flicker or error message. PLUG & PLAY INSTALLATION— Plug & Play, mini size design, 1:1 same position as original HID D1S headlight, all-in-one lamp body. No extra driver or additional harness needed, super easy to install within 10 mins. 0.01S INSTANTLY BRIGHT, NO DELAY— 0.01S Instantly Bright, No Delay. Light up your WAY faster and brighter. D1S led bulbs are also IP68 waterproof, which can work well even under harsh weathers, such as foggy, rainy snowy day. FAST COOLING DOWN—– Cooling fan & copper plate built in, providing a quick heat dissipation capacity. Improving the d1s led headlight lifespan, up to 50,000 hour lifespan.