Bike Computer Wireless GPS Cycle Speedometer Roadbike MTB ANT Waterproof Smart This bike computer uses wireless GPS technology and supports multiple sensor connections. It can be synced to a professional Cycle APP, making your riding data more comprehensive and sharing more convenient. Features: The bike computer boasts a 2.2 inch LCD display with automatic backlight and a battery life of up to 25 hours. It can record 15 data points on one page and easily share data on third-party platforms.  The G+ device supports ANT+ transmission for external sensors such as speed, heart rate, and cadence sensors, ensuring accurate and precise tracking.  IPX7 waterproof allows for use in rainy conditions.  Supports GPS, Beidou, and QZSS satellite positioning systems for high-precision positioning. Users can sync Cycle data through the XOSS APP for easy analysis and sharing.  Suitable for road bikes and mountain bikes. Note: Supports 25.8mm and 31.8mm handlebar sizes. Not compatible with integrated handlebars.  Specifications: Color: Black Material: Plastic Screen size: 2.2in Battery capacity: 500mAh Battery life: 25H (USB Charging) Install: Wireless GPS: GPS, Beidou, QZSS Mounting Type: Handlebar Mount Automatic backlight: YES Install: Wireless GPS: 4 System (GPS, Beidou, Glonas, Galileo) Waterproof: IPX7 Operating temperature: -10℃-50℃ Size: 71*48*19.1mm / 2.8*1.9*0.7in Weight: 42g / 1.5oz Package size:  13.1*8.1*2.8cm / 5.2*3.2*1.1in Package weight: 85.3g / 3.0oz Package list: 1 * Bike Speedometer 2 * Rubber Rings 1 * Type-C USB Cable 1 * Bracket 1 * Protective Pad 1 * Guideline