Marsauto D4S D4R HID Bulbs, 800% Ultra Brighter 30,000LM 6500K White for 66440 42402 42402WX Bulb, Plug and Play, Pack of 2

8X Brighter Like Daylight: Marsauto D4S HID bulb equipped with the latest 2025-generation 30-CSP chip technology, delivers up to 30,000 LM of 6500K pure white light. The D4S HID Bulbs outperforms original HID bulbs by 8x brightness, ensuring you can clearly see and anticipate potential hazards on the road ahead and react in a timely manne.

Space-Grade Durability & 60,000-Hour Lifespan: Marsauto d4s hid bulbs with Top-grade space aluminum housing + 18,000 RPM turbo cooling ensures Zero dimming at 1300°F and laughs off rain/mud. Our HID bulbs survives 60,000 hours, reducing the hassle of frequent replacements!

0.01-Second Startup: D4S HID bulb with instant 0.01-second startup – requiring no warm-up even in extreme conditions like freezing winters or desert heat. Engineered to cut through dense fog and illuminate dark backroads like a true champion.

Optimal Beam Pattern & Zero Dark Spots: D4S HID precision 1:1 HID Bulb placement mimics OEM beam patterns, avoiding illegal glare that blinds other drivers. The Laser-focused beams with our 0.02" copper tech. No blind zones, no shaky patterns – just crisp light exactly where you need it.

Plug-and-Play: 99.9% Vehicle Compatible + Ultra-skinny plug (30% thinner than others) + compact base frees up engine space. No wiring, no tools, no sweat.【NOTE】Please check your car's manual for the right bulb, our bulbs only for replacement of stock D4S bulb!