Extremely powerful rear light with StVZO-optimised lens and 5 ultra-bright LEDs for first-class brightness. The lightweight, robust design is IPX7 water-repellent. Wide-angle lens for up to 270° wide illumination for optimum visibility. Three output modes with up to 36 lumens. Micro USB rechargeable for up to 13 hours of battery life. The new compact design is more versatile and can be mounted on round or aero seat posts. Design: Rear light Features: Indicator light Protection class: IPX7, waterproof Weight: 58 g Details: - With brake light function - Also suitable for Aero seat posts StVZO: with StVZO approval Scope of delivery: 1x Strip Alter rear light including bracket Included: Bracket Bracket Mounting Bracket: silicone strap Mounting tool-free: yes Power supply Power source: rechargeable battery/battery Power source details: rechargeable battery 800 mAh USB connection Light source Light source: LED Light source details: 5 LEDs Luminous flux: 35 lm Luminous duration: 27.5 hours in Eco mode.