Item Specification 1. Working Voltage: 10-18V DC 2. Light Source:12Pcs 5530 Csp Led Chips (Hi/Lo beam) 3. Color Temperature: 6000K White 4. Lumen:18000Lm/set 5. Power:40W/pair 6. Waterproof Rate: IP68 7. Warranty: 1 Year 8. Application: Use as car Headlight ,Fog Light,Daytime Running Lights,Motocycle Lights. Package Included: 2Pcs H4 LED Headlight Bulbs Feature: 1 Mini Size: 1:1 Size design as halogen bulb, Fit for 98% Vehicles and motocycle headlight aemblies. 2 Plug and Play: Dont need the extra adapter to install the H4 bulb. 3 Easy Install: Non polarity driver, saving time to install. 4 No Noise: EMI Driver, no radio interreference any more, and No fan working noise. Details: 300% brightne Upgrade H4 led Toyuki H4 car led headlamp is made of 16pcs Bigger Led chips which could output 300% brightne than halogen bulb.6000K White color,You could get 3 times visual fields than halogen bulb.Driving more saftely. Excellent Beam pattern Led size keep same light position as halogen bulb filament.and ultra-thin only 1mm copper plate ensure perfect beam pattern.wider and longer driver's eyeviews,No dark spots,No glaring on coming vehicles and its drivers. Gaining safe and comfortable driving exeprience. Superior Cooling System & Long Lifespan Superconduct cooper substrate board and built-in intelligent temperature control circuit system guarantee the H4 led bulb get a reliable performance in outdoor extreme enviroment.Fanle design aslo could get le bulb defect rate.That is key technology of Toyuki led bulbs could claim longer lifespan. LA1 Series Lamp size Mini 1:1 halogen size design, Product details and installation What is in the Toyuki Color box LA1 Series family Except H4 led, LA1 also have H1/H3/H7/H8/H10/H11/9005/9006/9012/9004/9007/H13/880/881/5202 In family Non-polarity / Fanle / Internal Driver / 1:1 Halogen size suitable for automotive and motocycle lights Fits most Vehicles & Perfect After-sale Service Built-in intelligent IC drivers could automatically compact to your vehicles's mainboard system,but for some cars,need addtional decoder to solve anti-flicker or no light iue. Such as benz,Bmw,mini copper,Jeep,or a few of ford or chevy car.you could contact us first to check.if you find some iues after you install on,Please contact us and we will send decoder to you in free of charge.Every h4 car led lamp comes with 60-day full refund guarantee and "OneYEAR" warranty. Others you may like