Purchased on Amazon for 1999 yen, brand 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 Tail Light Included 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 irradiation distance of 300 meters. You can clearly recognize the road surface conditions even in the dark, ensuring safe riding. Switch to light-sensing mode by pressing and holding for 3 seconds. 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 → High-speed flashing mode → Random high-speed flashing mode. 【Type-C Rapid Charging・With Remaining Power Display】Type-C rapid charging fully charges the battery in just 30 minutes and can be used for up to 20 hours, with continuous maximum brightness illumination lasting for 4-5 hours. The LED power indicator allows you to check the riding time in real-time, eliminating anxiety about the cruising range. The battery level is displayed on the LCD screen. 【Easy Installation・High-Strength Body】It fits securely on any handlebar thickness regardless of the type of bicycle, and securely fixed, adopting a tool-free installation bracket, suitable for 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 brightness of the environment, improving convenience during riding and effectively saving power consumption. 【Package Contents & Excellent Durability】Package contents: Bicycle headlight, taillight, bracket (with dial), USB charging cord.