Panasonic LED Solar Auto Tail Rear Mudguard Mounting W47 x H55 x NSKR604 Light, Type, Bicycle, D66mm,

A smart solar-powered taillight! Panasonic genuine bicycle parts Solar charging type with rear mudguard attachment Built-in sensor for automatic on/off Can be used continuously for about 8 hours, and continues to flash for about 1 minute after stopping Easy to replace the rechargeable battery