ROCKBROS Smart Waterproof Brake Light Traffic Light Style Rechargeable Bike Taillight

Smart Brake Sensing: Built-in vibration sensor activates all three lights—red, yellow, and green—during braking for enhanced visibility and safety. Automatic Light Detection: In smart mode, the light automatically turns on in low light conditions and enters sleep mode during the day, saving battery life. Five Lighting Modes: Choose from five lighting modes, including steady and flashing options, to adapt to different riding scenarios with a simple button press. Rechargeable & Long-Lasting: Equipped with a rechargeable lithium battery, offering up to 50 hours of runtime with a Type-C charging port for quick and easy power-up. Durable & Weather-Resistant: Compact design with IP64 waterproof rating ensures reliable performance in rainy weather. Includes two mounting options for versatile installation.