Ravemen TR500 Taillight Visibility = Safety With a max 500 LED lumens and an eye-catching flashing mode, the TR500 Tail Light takes daytime visibility to a new level. A built-in motion sensor detects braking for added safety in urban riding, while an auto on-off function keeps operation simple and convenient across six total lighting modes. Features Max 500 LED lumenswith an eye-catching warning flashing mode for daytime visibility Built-in motion sensorfor brake detection, switching to 200 lumens for 2 seconds when braking Auto on-off functionautomatically powers down after 2 minutes of inactivity and turns on with vibration Six total modes- 3 constant and 2 flashing, plus the signature warning flash - for varied riding environments Reflective internal side stripesfor brighter side visibility USB-C rechargeablewith a reversible connector for easy charging Compatible with round and aero seatposts SPECIFICATIONSIntended Use Road, Gravel, Urban Commuting Max Output500 lumens Modes6 (3 constant, 2 flashing, 1 warning flash)Battery1600m Ah / 3. 7V rechargeable Li-ion Charging USB-CWeight77g Mount Compatibility Round and aero seatposts | Ravemen | Tr500 Taillight 500 Lumens