Reddit reviews MZS H4 LED Headlight Bulb Single for Motorcycle,9003 HB2 Mini Conversion Kit - CREE Chips - 6500K 5000Lm Extremely Bright

Extremely Bright:With Top CREE Chips@6500K cool white light,combined total of up to 4700Lux 5000 Lumens per bulb,make our headlight brighter than original halogen bulb 4 times.Easy Installation:The diameter of heatsink base is just 30mm,extremely small volume ensure H4 headlight fit for mostly 95% vehicles,direct replacement.Efficient Cooling:Adopted aircraft grade aluminum @0.8mm double-sided laminated copper substrade,combined Dual Ball fan,speed of heat dissipation faster than other materials 5 times.Works underwater! Water-proof and heat-protected with integrated cooling chip and fan for heat dissipation.Rainproof driver,housing,and fan works even in extreme situations.We offer lifetime support. If you are not sure the LED is right or not,or have some technical problem, please do not hesitate to contact with us.