Bicycle Tail Light Usb Charging Smart Brake Sensor Night Riding Tail Light: Features: High performance tail light (rear light) for red light bikes. Ensure the process*. Equipped with a smart chip. Sensing vibration and G(Gravity Acceleration) side dimming during braking, auto light on & light off. P65 waterproof and . Safe to use even in rainy days and car washes USB for quick charging. 500mAh built-in battery, durable. ABS, lightweight and sturdy Product Description: Includes:1xusb charging smart brake sensor night riding tail light Product Information Material: ABS+PC Brightness Maximum brightness 100 lumens Battery: 3.7V500mAh Battery Lamp bead ： LED Light color: Red Waterproof rating: IPX6 IPX6 Lighting mode: low light / medium light / high light / low light flashing / high light flashing / breathing angle: 180 Features 1. Intelligent brake sensor 2. USB direct charging 3. Intelligent light sensing 4. 24 hours long battery life usb charging intelligent brake sensing night riding taillight B seat tube Perfect to fit different occasions, moods, feelings, holidays, festivals, anniversaries, etc Perfect Christmas Decorations Lights & Holiday Gifts: For girls and children, with such beautiful christmas string lights, they will be happy with such romantic atmosphere and like the fantastic scene Wide Application: The lights is perfect for Christmas trees, wreaths, wrapping trees, patios, pergolas, bushes, hedges, fences, pillars, weddings, holidays, prom, dance functions, restaurants, bars Satisfaction Guarantee: All of our lights are tested for quality and safety. We provide 1407-year warranty If you are not satisfied with the string lights, please don’t hesitate to contact us at anytime for a solution