Visibility Knog’s Cobber Rear Lil Light utilises Chip on Board LEDs which spreads the light’s beam and has an output of up to 50 lumens. The specially developed lens spreads the light and creates up to 330-degrees of visibility which is ideal if you’re cycling through built up urban areas. Light Modes The light comes with five different light modes which can easily be switched between and includes: Max: 30 lumens – 1.4 hours Mid: 10 lumens – 3.5 hours Steady Pulse: 45 lumens – 3 hours Flash: 50 lumens – 7 hours Eco Flash: 10 lumens – 40 hours Rechargeable The light comes with an integrated lithium-polymer battery which is rechargeable via an in-built USB plug which allows you to quickly and easily charge the light via any standard USB port. Mounting The light comes with a versatile mounting system with an integrated, tool-free, removable silicone strap that fits bars/seat posts 22-32mm. The light also comes with an Aero mount.