The Magic Shine Seemee 100 Lumen Motion Sensor Rear Light is a cutting-edge bicycle safety accessory designed for maximum visibility and efficiency. Featuring a smart motion sensor that activates during braking, this stylish light ensures you are seen from up to 2000 meters away. Its ambient light sensor automatically adjusts the brightness based on surrounding conditions, enhancing your safety during day and night rides. With a low power mode that extends battery life and an easy mounting system, the Seemee 100 is perfect for cyclists seeking reliable performance and convenience on the road.