Enhanced Safety: Brake sensing technology activates the light in all modes, ensuring visibility during rides. Automatic on/off feature adjusts to ambient light conditions for optimal illumination. Versatile Modes: Choose from 4 distinct modes - slow flash, breathing flash, constant light, and brake lights only. Tailor your visibility based on preference and riding environment for enhanced safety. Easy Installation: Quick and convenient setup with screw or silicone belt options suitable for all bike models. Effortlessly adapt the tail light to your specific needs without hassle. Weatherproof Design: IP65 waterproof rating shields the light from rain and adverse weather conditions, maintaining functionality and durability. No need to remove during cleaning for added convenience. Wide Application: Ideal for bicycles, mountain bikes, and road bikes, this tail light is a must-have accessory for nighttime rides. A practical gift choice for cycling enthusiasts prioritizing safety. Description: Enhance your cycling safety with the bicycle brake sensor tail light. This innovative taillight features brake sensing technology that activates in all modes. In low light conditions, it automatically turns on when your bike is in motion, and in bright conditions, it turns off. The high-lumen COB Led lights provide visibility up to 150 meters, making you more visible on the road. With four modes to choose from - slow flash, breathing flash, constant light, and always-on brake light mode, this smart taillight offers versatility for different riding conditions. The IP65 waterproof rating ensures durability in various weather conditions, while the quick and convenient installation methods make it suitable for all bike models. Whether you ride a bicycle, mountain bike, or road bike, this taillight is a must-have for night cycling. Stay safe and visible with this practical and thoughtful gift for cycling enthusiasts. Remember to fully charge the device before first use to enjoy its full functionality. Ride with confidence knowing you have the bicycle brake sensor tail light by your side. Item Name: Bicycle Tail Light Material: ABS Type: Cycling Smart Brake Light Battery Capacity: 400mah Features: Brake Activated, Rechargeable, High Visibility Size Details: Size: 4cm x 3.4cm/1.57" x 1.34" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Brake Sensor Tail Light