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 and . Safe to use even in rainy days and car washes USB for quick charging. 500mAh built-in battery,. 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 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 Decorate the house: the design is exquisite, improve the home style, suitable for placing in a variety of home venues. Selected materials: The use of high-quality materials, environmental protection and durable. Versatile: Ideal for tabletop decoration, bookshelf embellishment, or anywhere you want to add beauty. Unique charm: Each piece has a unique charm of handmade art, easily create a personalized home environment. The perfect gift: Whether it's a holiday celebration or a housewarming, it's ideal for expressing your heart.