H4 LED Headlight Bulbs Conversion Review

500% BRIGHTER THAN HALOGEN: Using customized CSP chips with 20000 lumens per pair, 6500k cold white light, 130W per pair, 5 times brighter than the traditional halogen lamp. No dark spots! No uneven beam pattern, No glare oncoming traffic. CANBUS-READY for 98% VEHICLES: Our H4 LED headlight bulb work with 98% of vehicle's computer system without error, but some sensitive models may require additional decoder to be installed, may occur flickering or error message. Please contact us directly for a decoder if your car requires. SILENT HEAT DISSIPATION & LONG LIFESPAN: Far lower than the halogen lamp, 40% cooler than others, high quality aluminum body with copper core for maximum heat dispense, keeps the H4 LED headlight conversion kit in good conditions. > 30,000 hours service life. 360° ADJUSTABLE MOUNTING BRACKET: Besides the high brightness, we've designed the latest 360 degree fully adjustable mounting collar, you can make a simple angle adjustments for proper alignment of the bulb mounts to get the perfect light output and correct beam pattern. NOTE: The plug of our H4/9003 LED headlight kit have polarity, if it doesn't light, please invert the plug and reconnect. EASY TO INSTALL: All-in-one compact design H4 LED bulb with driver, PLUG-N-PLAY installation. Heatsink part only has 23MM length, fit for 99% vehicles. After installation, there's enough space for the headlight breathing. Fits for most of the car OEM dust cover. Can be installed in 15 minutes.