- SMART BRAKE SENSING: Our advanced intelligent brake sensing technology activates the taillight's flash mode as soon as the brakes are engaged, alerting vehicles behind you to maintain a safe distance. This enhances your visibility and safety while riding. - AUTO ON/OFF FUNCTIONALITY: The taillight automatically powers off after 30 seconds of inactivity to conserve battery life. Once your bicycle is in motion again, the taillight reignites, ensuring you're always prepared for safe riding. - LONG-LASTING 800mAh BATTERY: Equipped with a high-capacity 800mAh polymer battery, this taillight boasts an impressive operation time of up to 35 hours. Enjoy extended outdoor journeys without the worry of your lights dying. - DURABLE ALUMINUM ALLOY SHELL: Constructed from sturdy aluminum alloy, the taillight is both lightweight and durable. Its IPX5 waterproof rating ensures reliable performance in rain and snow, making it ideal for all weather conditions. Use Scenarios: 1. Commute to Work: Enhance your visibility during early morning or late evening rides, ensuring you are seen by traffic when stopping quickly. 2. Evening Rides: Whether on a deserted street or a busy road, the brake sensing feature provides crucial alerts to vehicles behind you when stopping suddenly. 3. Adventure Cycling: Ride confidently in unpredictable weather, knowing your taillight withstands rain and snow without compromising performance. This taillight is the perfect solution for cyclists seeking enhanced safety, durability, and convenience on every ride.