Advanced Brake Sensing Technology: Equipped with intelligent sensors, this tail light automatically brightens when , enhancing safety and visibility for night riders. IP64 Waterproof Rating: Fear no rain! This rear light is designed to withstand adverse weather conditions, making it perfect for daily commuting or adventurous rides. USB Type-C Charging: Enjoy convenience of modern charging technology. Quick and easy recharges with a universal Type-C connection. Versatile Night Cycling Light: Not just a safety light, but also a beacon in dark, ensuring you are seen by motorists from a safe distance. Essential Bike Accessory: A must-have for any , enhancing both functionality and safety of your ride. Product name:3 colors traffic light alike rear light Charging interface:Type-C Weight:about 25g Size:50x13x25mm Battery:460mAh lithium battery Current:DC 5V/0.6A Color:Black Material:PC + ABS Package Contents: 1 * headlight 1 * Type-C charging cable 1set * installation accessories Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.