New Wireless Bicycle Computer Wheel size set from 0-3999mm Multinational language Solar Power Speed, total distance, time New ... ComputerWheel size set from 0-3999mm Multinational languageSolar PowerSpeed, total distance, time Features:1. Current speed, average speed, ... : 48x45x17mm;2. Transmitter: 33x40x12mm. Package Contents1x Bicycle Computer base unit1x Sensor2 x button Batteries1 x Magnet 2 x ...