Smart Bike Tail Light, Brake Sensing Rear Lights, USB Rechargeable Light Kit, IP66 Waterproof & Dustproof, 5 Modes, One-Piece Aluminum Alloy Bicycle Lights Front

• ? - 【Stay Safe with Smart Auto ON/OFF】Our taillights have a smart mode that automatically turns on when you start riding and turns off after 45 seconds of the end of the ride, making it more convenient to use and solving the problem of forgetting to • ? - 【Brake Warning Function】Our taillights have a built-in speed sensor that senses brake deceleration and automatically increases the brightness to the highest 120 lumens for 3 seconds to warn pedestrians and cars behind you, ensuring your safety o • ? - 【Long Battery Life】With a built-in high-capacity 500mAh rechargeable battery, our taillights can last up to 25 hours on a single charge, making it perfect for long rides. • ? - 【Durable and Waterproof】Made of high-quality aircraft-grade aluminum, our taillights are durable and can withstand all kinds of weather conditions, including heavy rain, snow, sand, and mud. It is also IP66 waterproof and dustproof, ensuring tha • ? - 【Easy to Install】Our taillights are easy to install with silicone straps and S-hooks that can be attached to the seat pipe. It is also versatile and can be used for night walks, running, backpacks, baby strollers, or walking the dog in various s