【Perfectly fit into your housing】h4/9003 led headlights are no external driver, perfect fit into your housing. Do not worry about the dust cover can not be installed. Just plug and play, non-polarity 1:1 mini sise design same as halogen bulbs, perfect fit into your car without any modification and tools.

【Safe Driving & Convenient】 Enjoy traveling with family and friends, NOVSIGHT h4 headlight conversion kits play a convenient and safe roles. Perfectly focused pattern beam and not dark spot, without dazzling other drivers, suitable for any bad weathers, better vision in rainy and foggy days.

【Light up further and longer】h4 led bulbs using superior CSP chips, 300% extremely bright than halogen, provide more concentrated soft light beam and further lighting distance to see the oncoming traffic, wild animals and other obstacles on the road at night.

【Excellent performance and quality】Say goodbye to frequent replacement. 9003 led headlights with durable Aluminum Alloy, Unique one-piece patent design efficiently reduces the heat coming from the chips,which ensures our LED headlight bulb a longer lifespan of up to 50,000+ hours.

【2 years warranty】Those conditions will may need a decode: DRL is flickering or not working or the DRL warning light on the dashboard come on, ect. Your satisfaction is important to us. You could send the messages to us to help you solve the problems.