SB-packed, USB-rechargeable, with German test mark 8 lumens, with integrated lithium-ion battery for a light duration of up to 10 hours, incl. micro-USB charging cable and adjustable bracket. The bracket remains on the seat post, only the rear light needs to be removed for charging. Battery type Li-Ion Article type Rear light Features Reflector, USB charging port Mount Seat post, universal Area of application Bicycle Colour name matt black Main colour black Brightness 8 lumens Light duration max. 10 h Light source LED StVZO compliant yes