Xoss Bicycle Computer G Waterproof Wireless Gps Speedometer for Bike Mtb Stopwatch with Protective Cover The product is shipped based on the color or size of the main image of the product page. G upgrades on the wired cycling computers with the latest breakthrough in GPS technology that tracks each and every moment accurately and precisely. It is easy to installand offers a seamless user experience. Features: 1.8 inch LCD display, automatic backlight, 25hrs battery life, 15 types of data recording, third - party platforms sharing. G bike computer support ANT transmission for external sensors,like speed, heart rate, cadence sensors etc.tracks each and every moment accurately and precisely. Built-in GPS with 4 satellites positional systems, included BEIDOU,GPS,GLONASS, GALILEO, ensure a stable connection on every ride. With IPX7 technology, XOSS G is waterproof so that you can enjoy the cycling experience in all weather conditions. Easy to install,fit with XOSS out-front extent mount. You can scan the QR Code to get the companion APP on you mobile phone.(APP function requires mobile phone support BT4.0 or above.) Specifications: Screen: 1.8inch Battery: 500mAh Rechargeable Lithium Battery Battery Life: 25hours IP Rating: IPX7 Screen Type: LCD display GPS: GPS/ BeiDou / Glonass / Galileo