High power, stable output, suitable for replacing halogen lights

Best OEM Replacement

How do I update my old H4/9003/HB2 halogen bulbs to the H4/9003/HB2 LED bulbs
H4/9003/HB2 LED bulbs, installation Guide Video
Different installation methods of
↓ wireless H4 and wired version H4 LED bulbs ↓

Part 1. Wireless H4 9003 LED bulbs
Part 2. Wired version H4 9003 LED bulbs


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