- SMART BRAKE SENSING: This innovative taillight features intelligent brake detection that activates a flashing warning mode, alerting vehicles behind you to maintain a safe distance. Enhance your safety during rides with this essential feature. - AUTO ON/OFF: Designed for convenience, the taillights automatically turn off after 30 seconds of inactivity. They reactivate instantly when the bicycle is in motion, ensuring hassle-free operation and battery conservation. - 800mAh BATTERY: Equipped with a high-capacity 800mAh polymer battery, this taillight provides an impressive operating time of up to 35 hours. Enjoy extended outdoor rides without worrying about battery life. - DURABLE ALUMINUM ALLOY SHELL: Built to last, the taillight's robust aluminum alloy shell ensures durability. With an IPX5 waterproof rating, it is designed to withstand rain and snow, allowing you to ride confidently in various weather conditions. Use Scenarios: 1. Daily Commuting: Perfect for urban cyclists, this taillight enhances visibility and safety during evening rides or in low-light conditions. 2. Long-Distance Cycling: With its long battery life and automatic features, this taillight supports extended outdoor adventures without constant monitoring. 3. Recreational Riding: Ideal for casual cyclists who enjoy weekend rides, ensuring they are seen by others on the road while providing peace of mind. Experience a blend of safety, durability, and convenience with this advanced taillight, making it an essential accessory for every cyclist.