High visibility and safety: New optical lens lampshade provides strong penetrating light, ensuring maximum visibility and promoting riding safety. Durable and resistant: ABS PC material with carbon fiber technology resists scratching and falling, making it durable and long-lasting. Waterproof and convenient: IPX6 waterproof structure allows for worry-free riding in any weather, and the taillight can be easily washed without removal. Automatic vibration detection: Lights automatically turn on when vibrations are detected, ensuring visibility on all types of roads and accurate brake detection. Compact and powerful: Mini size and lightweight design make it easy to carry, while the 180-degree light angle and high brightness provide effective warning range for safer night riding. Description: Introducing our bicycle tail light, the perfect accessory to enhance your riding safety. With its innovative vibration detection feature, the lights automatically turn on when encountering level roads, potholes, or muddy terrains. It also accurately recognizes and detects brakes, ensuring maximum visibility for other riders and motorists. Designed with a lightweight and compact body, this tail light easily slips into your pocket or car bag. Its wide-angle beam emits an eye-catching light that can be seen from blocks away, providing you with peace of mind against potential accidents. Compatible with most bicycles such as mountain bikes, road bikes, and folding bikes, this tail light features a new optical lens lampshade that enhances warning distance and visibility. The strong penetrating light is transparent and bright, mimicking carbon fiber technology to resist scratches and falls. With an IPX6 waterproof rating, this tail light is built to withstand rain and other harsh weather conditions. You can even wash your bike without removing the taillight, making it more convenient for everyday use. The vibration detection feature ensures that the warning taillight is automatically turned on when needed. The lights are highlighted for 3 seconds and then automatically turn off after 30 seconds of rest. Experience the convenience of our lightweight and powerful bicycle tail light. Item Name: Bicycle Tail Light Material: ABS, PC Charging Time: 1h Battery Life: 7-16h (Always-on) Fixing Method: Bracket, Silicone Strap Standby Time: More Than 3 Months Charging Method: USB Waterproof Level: Ipx6 Battery: 3.7V/260mAh Storage Temperature: -20 Degree Celsius to +60 Degree Celsius Size Details: L: 3.3cm/1.3", W: 3cm/1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tail Light 1 x Strap 1 x Usb Charging Cable 1 x Silicone Pad 1 x Seat Post Bracket 4 x Ribbon 1 x Saddle Bracket