Adiwo Smart Bike Tail Light, Rear Bike Light with Brake Sensing, Auto on/off, 20 LED Ultra Bright, 5 Lighting Modes, IP65 Waterproof, USB Rechargeable, Saddle/Seatpost Mount, for Night Riding

• 【Intelligent Three-in-One Sensing System】 This smart bicycle taillight integrates brake, light, and vibration sensors. It automatically brightens to warn riders when braking; a built-in light sensor automatically turns off during the day to save energy and automatically turns on at night; it senses vehicle vibration, turning on when riding and automatically turning off after 1 minute of stillness.
• 【5 Highlighting Lighting Modes】The latest smart bicycle taillight features 20 ultra-bright LED beads arranged in a ring. Its wide-angle design emits a red light visible for hundreds of meters, enhancing riding safety. It offers five lighting modes: slow flash, breathing, bright flash, constant light, and strong flash, to meet different needs.
• 【IP65 Waterproof】Compared to other ordinary taillights on the market, this taillight features an advanced IP65 waterproof design, making it waterproof, dustproof, rainproof, and snowproof, easily handling various harsh weather conditions. Meanwhile, its shell is made of high-quality aluminum alloy, sturdy, durable, and perfectly compatible with various bicycles, making it a rational choice for cyclists.
• 【USB Type-C Fast Charging】Built-in 400mAh rechargeable battery, fully charged in just 1.5 hours, with a battery life of 13-42 hours on a full charge (power consumption varies depending on the mode). Supports Type-C interface charging and comes with a USB charging cable. It can be charged via car charger, computer, wall charger, power bank or any device with a USB interface.
• 【Easy Installation】This taillight is compatible with most types of bicycles and comes with two mounting brackets for installation on saddles and seatposts. It includes four cable ties and two O-rings for easy installation and removal without tools, making it convenient for everyday charging and carrying. A detailed instruction manual is also included, so please feel free to purchase.

Features: 1. High-quality aluminum alloy, lightweight, durable, and high-quality. 2. Stylish appearance. 3. Intelligent three-in-one sensing system: integrates brake, light, and vibration sensors. 4. Easy installation, with detailed instructions. 5. 5 lighting modes. 6. 180-degree wide viewing angle design. 7. Waterproof and durable. Material: Aluminum alloy Brightness: Up to 60 lumens Protection rating: IP65 Charging method: Type-C charging Battery life (hours): 1.Slow flash 25H 2.Breathing 13H 3.Flashing 42H 4.Constant 16H 5.Strong flash 38H Package contents: Taillight*1 + Mounting base*2 + Rubber rings*2 + Cable ties*4 + Data cable*1 + English instruction manual*1 Notes: Modes 1-4 have light sensing; Mode 5 (Strong flash) has no light sensing function, suitable for daytime riding.