SB-packed, USB-C, LED, with battery, StVZO with K quality mark, CE certified Rechargeable lithium-ion battery, battery and charge indicator, rear light with brake light function and automatic mode, small, compact and lightweight design, fast, flexible and easy installation thanks to optimized holder, fully approved according to German high-performance OSRAM LEDs, weatherproof design for various outdoor conditions, suitable for mountain bikes, city bikes, trekking bikes, racing bikes, gravel bikes and e-bikes, including USB-C cable Universal mounting Brake light functions Main color black Bicycle use Light source LED StVZO (German quality mark) in accordance with yes Power supply battery supply Type/type Item Equipment USB-C charging connection Rear light design