The Ravemen TR30 30 Lumens Rear Light w/ Brake Detection delivers bright, wide-angle rear illumination with smart brake detection and auto on-off for worry-free visibility day or night. Its rechargeable 200mAh battery offers long runtime and a clear charge indicator, USB-C charging for fast top-ups, and a featherlight, easy-to-mount design with IPX6 water resistance for reliable performance in all conditions.