Power type BatteryCATEYE Velo 9 BatteryCATEYE Velo 7 BatteryCATEYE Velo Wireless Corded ElectricCatEye Enduro Wired Bicycle Computer - CC-ED400 - 1603400 BatteryCATEYE Urban Wireless BatteryBike Computer, Bicycle Speedometer, TSV 2.2" LCD Waterproof LCD Digital Cycle Bicycle Speedometer Odometer Stopwatch...