The Cobber Reflex Rear is engineered for high visibility in all directions emitting 300 lumens of light with 170º coverage to ensure riders stay seen from behind and the sides. With a range of modes USB-C recharging and IP67 waterproofing it’s built for consistency and confidence in any conditions. Featuring our revolutionary Reflex technology The Cobber Reflex provides users with reflexive lighting modes that adapt to their riding conditions. Programmed off of thousands of collected GPS data readings and feature auto-on/auto-off modes motion-activated deceleration modes and a dynamic tilt mode all of which help improve rider safety by signalling to vehicles of changes in the road or riders speed for a safer ride. Features: Powerful 300 lumen output Revolutionary Reflex technology - auto-on/auto-off modes motion-activated deceleration modes and a dynamic tilt mode. A 170 degree beam angle that wraps light around you not just behind you. 330º when paired with the Cobber Reflex Front Light. USB-C rechargeable Multiple steady and flash modes IP67 waterproof Secure tool-free mounting LIGHT MODES  REAR   MODE RUNTIME LUMENS HIGH 2.5HR 75 LOW 8HR 20 PULSE 6HR 250 STEADY 70HR 20