Bicycle Computers features: Xoss Bicycle Computer G+ Waterproof Wireless Gps Speedometer For Bike Mtb Stopwatch With Protective Cover Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. 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 Operation Method: buttons Wireless Tranmission: BT 5.0 Size: 75 * 48 * 19mm / 3.0 * 1.9 * 0.7in Weight: 50g / 1.8ounce Package Size: 170 * 100 * 30mm / 6.7 * 3.9 * 1.2in Package Weight: 120g / 4.2ounce Packing List : 1 * G+ Computer 2 * Rubber Bands 1 * Rubber Pad 1 * Bike Computer Mount 1 * Protective Cover 1 * USB Cable