Features for increased safety and visibility during all leisure activities and for participation in road traffic fits over all garments or bagpack and, thanks to the adjustability of the abdominal belt, fits all adult sizes quickly put on / removed via the fast-action fastener on the waist small stowage size active lighting thanks to integrated LED stripes and passive lighting thanks to reflecting fluorescent strips 3 levels of brightness adjustable further lighting effects: the brightness can be infinitely dimmed, there is a choice of red and white, permanent light or flashing light. all functions can also be set via the Lenz Heat App Lighting period: 14-40 hours Package content 1 lithium pack rcB 1200 (rechargeable) 1 global USB-charger 100-240 VAC 1 USB charging cable with charging indicator 1 LED system 1.0