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 Advanced Design: Both Front and Rear Lights are Rechargeable, And Both Front and Tail Lights Can be Built-In, Which Looks Very Cool. Easy Installation: The Headlight Comes with a Mounting Bracket that Easily Attaches to the Handlebar. The Headlight and Taillight Can be Mounted on Most Sizes of Seatposts. Both Headlight and Taillight Can be Easily Loosened and Fixed without any Tools. Multifunctional: This Bike Light Kit is Versatile and Can be Used for Biking, Hiking, Camping or any Outdoor Activities, And Can also be Used as an Emergency Flashlight. It is Perfect for Night Riding or Where Visibility is a Concern. Start an Adventure with us! Super Bright: Our Night Riding Bike Light Has a High Brightness that Makes Everything in Front of You Bright and Clear, Protects You From Dark Areas and Ensures that You and Your Family are in a Safe Environment. We Attach Great Importance to Product Quality and Customer Experience,If You Have Any Questions About the Product, Please Contact Us Customer Service,We Will Provide You with Satisfactory