CAT EYE Cycle Computer STRADA SLIM Black Speedometer Bicycle CC-RD310W

Size: 47×32×12.5mm Weight: 12g Batteries used: Main unit CR1616 x 1, sensor CR2032 x 1 Speed (travel speed, average, maximum), distance (travel distance -1/-2, cumulative), time (travel time), time (12/24 hours/selectable) Pace arrow, 2 tire circumference set, function selection, total distance input, auto-only model, menu screen installed, thin inside sensor, small and lightweight bracket