Features1Multi-function: Including clock, EL backlight, average speed, cycling time, total distance/total mileage, stopwatch, cycling speed, maximum speed, cycling distance. 2Bicycle odometer with LCD backlight, time display function, can also be a wonderful accessory for travel watches. 3Anti signal interference, easy to read large screen LCD display. 4Small size and lightweight, easy to install, the installation attachment is firm. 5Wireless receiver, stable transmission, sensitive recording, more convenient driving. 6Waterproof, suitable for outdoor cycling in rainy days, recording accurate data. 7Great for training, hiking, rock climbing, horse riding and other outdoor activities. 8Speed: current speed, odometer, DST: driving distance, maximum speed, average speed, total travel time, TM: travel time, clock (12 hours /24 hours), SWsecond chronograph, temperature, TM descent travel time decreased, descent distance, maintain the alarm, speeding remind, set type perimeter, low battery indicatorSpecificationItem Type: Wireless Solar Bicycle ComputerMaterial: PVCColor: As Picture ShownWaterproof: YesApplication: Subway, Road BikeBattery: CR2032*2 ContainWeight: Approx. 88gSize: Approx. 6x5x1.3cm/2.36x1.97x0.51inchPackage List1 x Wireless Solar Bicycle Computer1 x Manual7 x Ribbon2 x Gasket1 x Sensor1 x Soft Magnet1 x Accessory