Amazon.co.jp: LED Bicycle Dynamo Light Bulb, 6V Replacement Bulb, Uses 1W LED, Makes Regular Incandescent Bulbs LED! Also great for sensor lights, flashlights, etc : Sports & Outdoors
Ruiandsion 4pcs E10 LED Bulb 6V 0.6W 5050 1SMD White 6000K LED Replacement Bulb Upgrade for Headlamps Flashlights Torch Light,Negative Earth - - Amazon .com