Q5 Smart Bike Tail Light with Brake Sensor

ROCKBROS Q5 Smart Bike Tail Light with Brake Sensor

The ROCKBROS Q5 Smart Bike Tail Light enhances cycling safety with its advanced brake sensing technology, instantly increasing brightness when braking. Equipped with vibration-activated automatic wake-up and intelligent light sensing, it conserves power by turning off after 30 seconds of inactivity and reactivating upon movement. Its IP65 waterproof design ensures reliable performance in all weather conditions. Featuring a 400mAh battery with Type-C fast charging, this tail light is ideal for mountain and road cyclists seeking dependable night riding visibility and smart energy efficiency.

Features

• Smart Brake Sensing & High-Intensity Visibility
  Using high-lumen COB LED lights, when the Q5 senses the brakes during riding, it will display at maximum brightness to alert nearby vehicles and riders, thereby enhancing road safety.
• Auto wake-up and sleep mode
  The light automatically turns off after 30 seconds of inactivity and turns back on when motion is detected (except in steady mode). Built-in ambient light sensor saves power by adjusting brightness intelligently.
• 4 Versatile Lighting Modes
  Choose from Normal Flash, Breathing Flash, Fast Flash, or Steady On—optimized for day and night riding conditions across road, mountain, and commuter bikes.
• Long Battery Life with Power Display
  Built-in 400mAh rechargeable Li-ion battery provides up to 50 hours of runtime. Four LED indicators display real-time battery status in 25% increments—so you’ll always know when it’s time to recharge.
• Easy Dual-Mount Installation for Versatile Fit
  ROCKBROS tail light offers two secure mounting methods to match your bike setup:
  Under-Saddle Rail Mount: Simply unscrew the bracket, fix it onto the saddle rails, and tighten the screws for a firm hold. Then twist the tail light clockwise into the bracket until it locks securely. Ideal for a clean, low-profile look.
  Seatpost Mount: Find the right position on your seatpost, wrap the durable silicone strap around it, and secure the tail light by twisting it clockwise into the base. This tool-free option is fast and easy—perfect for everyday use or switching between bikes.Both mounting styles ensure a stable fit and quick installation without compromising on safety or performance.
  
• IPX6 Waterproof & Durable Construction
  Made from sleek aluminum alloy, this tail light is built to withstand rain and splashes. Ride with confidence, no matter the weather.

Product Information