IMOSON Led Headlight Bulbs H4 9003, For Cars Super Bright, H4 led bulb Conversion Kit Headlamps, H4(9003) High Beam, 40w/low Beam 20W -80W 8,000lm 6000K Cool White COB LED chip Simple Installation, Plug and play, no line Use COB LED chips improve 60% light efficiency, Instant-on capability with zero warm-up time. Low energy consumption, up to 30,000 hours long life span Load current is small, Effective to save fuel consumption, Protect the battery, Built-in powerful 12,000 RPM high speed Turbo cooling fan, Low temperature, 360 clear light beam without blind zone, expand your horizon , more conducive to driving safety,Corresponding fast, no delay, prevent collision,Long life, durability, color pure, high brightness. Packaging and transport, in order to prevent damage to the lamp beads, we have to increase the glass tube to protect it. When installing, remove screws and glass, and use no. Authentic guaranteed! 1 year. We cherish every customer's advices and suggestions, and highly appreciated your timely communication when you meet with any problems.We believe that we can do better through good communication with our customers.