Smart Rear Bike Light for Road and Mountain Biking, LED Lamp, 1

【Intelligent Braking】The brake-sensing taillight automatically illuminates when you slow down, alerting vehicles behind you. Whether in the city or on mountain trails, this smart light ensures your visibility and safety day and night, for a more serene ride every time.
【Nighttime Visibility】The powerful LED with 6 lighting modes ensures you are seen from all angles in low-light conditions. On dark roads, the vivid flashing patterns alert other drivers, preventing accidents and giving you complete peace of mind during your nighttime rides.
【6 Modes & Auto On/Off】Choose from steady light, breathing flash, slow flash, rhythmic flash, endurance flash, or fast flash depending on your riding environment. The auto on/off function turns the light on when you're riding and off when you stop, saving battery power. Powered by a 320mAh rechargeable battery, this taillight remains reliable for daily commutes and weekend adventures. 【Waterproof and Rugged】With its IP66 waterproof rating, this taillight performs perfectly in heavy rain, dust, and rough terrain. Made from durable composite materials, it withstands harsh conditions for both road cycling and aggressive mountain biking, allowing you to ride with confidence in any weather. 【Lightweight and Tool-Free】Weighing only 65g with a compact 55x17x15mm design, this bike light installs in seconds without tools. Its discreet profile blends seamlessly with any bike, making it an essential safety accessory for road cyclists, mountain bikers, and everyday urban riders.