Intelligent Induction Brake Bicycle Tail Lights USB Charging Mobile Start Stop And Equipment For Cycling Features: 【Sensitive and intelligent sensing brake】 Equipped with a high-density speed sensor, when sensing the deceleration of the vehicle, the red light flashes for 5 seconds before returning to the current mode. 【Vibration sensing, automatic wake-up】 When the car is stationary for 30 seconds, it will start automatic mode, enter sleep mode, and the ride will automatically wake up. 【800mAh USB Fast Charging】 The USB universal interface design can connect mobile power sources, computers, plugs, etc. for charging, making it convenient and fast. 【Life grade Waterproof】 IPX5, good sealing, life grade, no fear of riding on rainy days. 【Small and exquisite, easy to carry】 The car lights are lightweight and exquisite, weighing 56 grams. They are as light as nothing, making them easy to carry when traveling. Product Description: Product Name: Bicycle Tail Light Product color: black Product material: aluminum alloy Light source type: LED 3014 beads Charging voltage: 5V/0.4A Working voltage:3.7V Battery capacity: 800mAh Light colors: red light Charging form: USB direct charging Charging indicator: Charging green light flashing, fully charged green light Waterproof grade: IPX5 Service time:35 hours in the first mode of the marquee,17 hours in the second mode of the marquee, and 20 hours in the double flashing mode Light gear: Two types of running light modes, flashing mode. When braking is detected, the red light flashes for 8 seconds before returning to the pre braking mode. When stationary for 30 seconds, the sleep mode is activated and automatically wakes up while cycling. Package size:12×9.8×3.8cm/4.7×3.9×1.5in Package weight:106g/0.23lb Product List: 1 × Bicycle lights 2 × Support 1 × Instruction manual 1 × Charging cable 1 × Tie straps High-Performance Tires:Upgrade your cycling experience with our high-performance tires. Engineered for optimal grip and durability, these tires ensure a smooth ride on various terrains, enhancing your biking adventures. Ergonomic Saddle for Comfort:Experience unparalleled comfort during long rides with our ergonomic saddle. Designed with rider comfort in mind, it provides the perfect blend of support and flexibility, allowing you to enjoy every journey. Precision Gear Shifting System:Take control of your ride with our precision gear shifting system. Smooth transitions between gears guarantee a seamless cycling experience, allowing you to effortlessly adapt to changing terrains and speeds. Lightweight and Durable Frame:Our bicycle frames strike the perfect balance between lightweight design and durability. Crafted from high-quality materials, they ensure a sturdy yet agile ride, making your cycling adventures both enjoyable and reliable. Advanced LED Lighting System:Illuminate your path with our advanced LED lighting system. Whether you're cycling in low-light conditions or exploring the great outdoors at night, these lights provide enhanced visibility and safety for a worry-free biking experience.