Ravemen CL50 USB Rechargeable Brake-Detection Rear Seat-Posted Light

Fits saddle rails as well as round seatposts, and compatible with some aero seatposts of similar size.Featuring an integrated rail-mounted design, the CL50 tucks neatly beneath the saddle, aligning with the bike for a clean, streamlined look. Weighing only 22.8g, it features an ultra-compact, lightweight design that blends seamlessly into your bike setup without adding any bulk. It also includes smart brake detection, auto on/off, up to 90 hours of battery life, and IPX6 water resistance—making it a compact yet powerful safety solution for any ride.Superior Side visibilityWith its horizontally-mounted elongated light strip, the RAVEMEN CL50 tail light delivers a 50-lumen, 300° wide-angle beam that ensures you're clearly visible from multiple directions on the road.Streamlined FitFeaturing an integrated rail-mounted design, the CL50 tucks neatly beneath the saddle, aligning with the bike for a clean, streamlined look.Lightweight and compactThe CL50 weighs only 22.8g and features an ultra-compact, lightweight design that blends seamlessly into your bike setup without adding any bulk.Easy to mountDesigned with a versatile mounting system, the CL50 can be installed under saddle rails as well as on round seatposts. It is also compatible with some aero seatposts of similar size.Long battery lifeEnjoy up to 90 hours of runtime on a full charge, so you're always ready to ride.Brake detectionAutomatically highlights the rear light for 2 seconds when braking to alert drivers behind you and reducing the risk of rear-end collisions.Auto on-offThe tail light auto-off after 2 minutes of inactivity and auto-on upon detecting movement.SMART Battery indicatorWhen the light is off, press the power button to activate the battery indicator and check the battery level. Battery indicator: Green: 40%~100%; Red: 5%~40%; Flashing red: