Introducing the ultimate cycling accessory - the Smart Bicycle Brake Light with Charging and Auto Brake Detection! This revolutionary taillight is designed to keep you and your bike visible and safe on the roads, no matter the weather or time of day. Crafted with premium aluminum alloy and ABS materials, this taillight is built to last. The integrated high-density speed sensor quickly detects when you're braking, triggering a bright, eye-catching light pattern to alert drivers behind you. With six different lighting modes to choose from, you can customize the taillight to suit your preferences and riding conditions. Whether you're commuting to work or embarking on a weekend adventure, this taillight has got your back. The USB charging port allows you to recharge the battery on the go, ensuring you never run out of power. With a waterproof rating of IPX4, you can ride with confidence, even in rainy or wet conditions. Elevate your cycling experience with the Smart Bicycle Brake Light. Enhance your visibility, improve your safety, and enjoy the peace of mind that comes with this innovative, feature-packed accessory. Upgrade your bike today and ride with the confidence that you're seen and protected on the roads.