Light Modes Both lights come with a wide selection of light modes which can easily be switched between to find the best lighting for your current environment. The lights both come with flashing & constant modes, the light modes included are: Front Light Max: 200 lumens – 2.5 hours Mid: 80 lumens – 5 hours Steady Pulse: 320 lumens – 9 hours Flash: 320 lumens – 9 hours Rolling Flash: 140 lumens – 8 hours Side Flash: 200 lumens – 3.5 hours Disco Flash: 160 lumens – 7 hours Eco Flash: 25 lumens – 120 hours Rear Light Max: 75 lumens – 2 hours Mid: 35 lumens – 3.5 hours Steady Pulse: 170 lumens – 2.5 hours Flash: 170 lumens – 6.5 hours Rolling Flash: 70 lumens – 4.5 hours Side Flash: 100 lumens – 2 hours Disco Flash: 80 lumens – 4.5 hours Eco Flash: 15 lumens – 100 hours USB (Universal Serial Bus) Rechargeable To save you time & money the lights are both USB (Universal Serial Bus) rechargeable. The internal lithium polymer batteries with an exterior USB (Universal Serial Bus) plug which can be charged via any standard USB (Universal Serial Bus) port for quick & easy charging on the move. Mounting Both lights come with integrated silicon mounting straps which works with bars & seatposts with a tool-free system that is quick & easy to release. Also included, with both lights, is an aero mount.