6V 6 VOLT LED Headlights H4 476 White Warm White or Yellow Hi/Lo Beam Conversion – Classic Car LEDs Ltd
30SMD H4 LED Motorcycle Headlight Bulb lamp DC 6V 6W 800LM 6500K High/Low | eBay
Amazon.com: Ruiandsion H4 LED Motorcycle Headlight Bulb AC 6V Super Bright 2835 54SMD Chipsets LED Bulb with Projector Lens for Motorbike Headlamp, Non-polarity : Automotive