Purchased on Amazon for 1999 yen, new, unused, and unopened. This is a set of headlight and taillight. Bicycle Lights 【New Release - Ultra-High Brightness】Light Sensor Automatic Lighting, High Brightness 2000 Lumens, 7 Lighting Modes, 180° Wide Illumination, IPX5 Waterproof Bicycle Headlight, Cross Bike/Road Bike Light, LED Remaining Power Display, TYPE-C USB Rechargeable, Easy Installation, Small Size, with Taillight, Vibration-Proof, Disaster Prevention, Rapid Charging, Flashlight Compatible 【Bicycle Headlight + Taillight】180° Wide-Angle Illumination, 7 Lighting Modes, 4 Warning Modes. This product adopts a 180° wide-angle anti-glare design, with a maximum illumination distance of 300 meters. You can clearly recognize the road surface conditions even in the dark, ensuring safe riding. Press and hold for 3 seconds to switch to light-sensing mode. It does not light up during the day and automatically lights up when it gets dark. Press again to turn it off. Press again to switch to the next mode: High Beam Strong Light Mode → High Beam Weak Light Mode → High Beam Flashing Mode → Press again to switch to the next mode: Low Beam Strong Light Mode → Low Beam Weak Light Mode → Low Beam Flashing Mode. The taillight has 4 warning modes: Press the switch for Constant On Mode → Random Flashing Mode → Fast Flashing Mode → Random Fast Flashing Mode. 【Type-C Rapid Charging & Remaining Power Display】Type-C rapid charging fully charges the battery in just 30 minutes and can be used for up to 20 hours. Continuous maximum brightness illumination can last for 4-5 hours. The LED power indicator allows you to check the riding time in real-time, eliminating anxiety about the remaining distance. The battery level is displayed on the LCD screen. 【Easy Installation & High-Strength Body】It securely fits and firmly fixes to handlebars of any thickness regardless of the type of bicycle. It uses a tool-free installation bracket and is compatible with handlebars (diameter 19-28mm) of all bicycles, such as road bikes, cross bikes, and mountain bikes. 【Newly Developed Light Sensor】Newly developed intelligent light-sensing mode automatically lights up in the dark, improving convenience during riding and reducing battery consumption. The newly developed light sensor automatically adjusts the light intensity according to the ambient brightness, enhancing convenience during riding and effectively saving power consumption. 【Package Contents & Excellent Durability】Package Contents: Bicycle Headlight, Taillight, Bracket (with dial), USB charging cord.