ROCKBROS Smart Bike Tail Light Bicycle Rear Lights Q1 Ultra: Brake Sensor, Auto Light/Motion Sensing, RGB 7-Color Breathing,Cycling Safety Taillight Bikes Accessories
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SMART BRAKE SENSOR TECHNOLOGY: Equipped with a high-precision acceleration sensor that detects braking/deceleration instantly. The tail light automatically boosts to double brightness for 2.5 seconds, sending a clear warning signal to vehicles behind for enhanced riding safety.
AUTO MODE WITH LIGHT & MOTION SENSING: Dual-mode operation (auto/manual switchable via double-click). In auto mode, the light sleeps after 30s of inactivity in bright environments, and wakes up automatically when vibration or low light is detected, saving power while ensuring visibility.
RGB 7-COLOR BREATHING & MULTI-LIGHT MODES: Features 5 light modes (red flash, red-blue alternate, 7-color breathing, dual flash, red steady) with high-quality RGB LED beads. The 7-color breathing effect adds style while maintaining high visibility for night riding.
REAL-TIME BATTERY INDICATOR & TYPE-C CHARGING: 4 blue LED indicators display real-time battery level (0%-25%/25%-50%/50%-75%/75%-100%). Powered by a 300mAh battery with Type-C fast charging, offering 15-80 hours of runtime across different modes.
DUAL INSTALLATION & WATERPROOF ALUMINUM BODY: Supports both saddle rail (38-54mm spacing) and seat post installation (elastic rubber ring fits round/irregular tubes). CNC aluminum alloy shell is scratch-resistant, rust-proof, and IPX4 water-resistant for safe use in rain or car washing.
