The Cateye Velo Wireless Computer packs a punch with a programmable odometer and menu screen. It installs easily on almost any bike, including 27.5 and 29.Battery: 1, CR2032 Lithium Metal, 3(V), 0.735(Wh), 0.3g, Included. Computer functions: Current/ average/ maximum speed, trip distance, total distance, elapsed time, clock, calorie consumption. Analog wireless computer. Pace arrow. Simple tire size. Auto start / stop. Programmable odometer. Menu screen to change setting. Includes zip tie bracket. Item Specifications: ANT Compatibility, No, Bluetooth Compatibility, No, Cadence, No, Color, Black, Color Screen, No, GPS Enabled, No, Heart Rate, No, Rechargeable Battery, No, Touchscreen, No, WIFI, No, Wireless, Yes,

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