ROCKBROS bicycle light 24120010002 rear

SMART BRAKING & AUTO-SENSING: 3-second acceleration-activated strong light alerts movement when stopped; Auto mode activates via light/vibration sensors and goes into sleep mode after 30s of inactivity for hands-free operation TEAM SYNC LIGHT SYNC: Sync with riders sharing the same taillight. Green mode adjusts flash patterns (30m range) for group harmony. Activate Blue mode to centrally control multiple units within a 2m radius – perfect for team riding or cargo setups requiring unified signals MULTIPLE LIGHTING MODES: Rapid flashing (≈13h), Pulsing (≈12h), Single flash (≈13h), High frequency (≈213h), and Constant light (≈7.5h). Hold the button after turning off to adjust the brightness in constant mode (high/medium/low) LONG-LASTING POWER AND CHARGING: The 250mAh battery supports long adventures and charges via a universal Type-C cable. The blue LED illuminates while charging and turns off when fully charged – no risk of overcharging UNIVERSAL MOUNT & WATERPROOF: Designed with weather-resistant seals to protect against rain and splashes (make sure to close the charging port). Includes 4 tool-friendly mounts: seat clamp, saddle mount, bike bag strap, and helmet mount for flexible and secure installation anywhere