Features of the CatEye Urban Wireless Bike Computer Analog wireless Pace arrow Simple tire size Auto start/stop Menu screen to change settings Programmable odometer FlexTight universal bracket Battery indicator Current / average / maximum speed Total distance Trip distance 1 Elapsed time Clock Calorie consumption Specifications Current speed: 0.0(4.0)~105.9km/h [0.0(3.0) - 65.9 mph] Total distance: 0.0~99999.9km [mile] Elapsed time: 0:00'00in.~99:59'59in. Trip distance: 0.00~999.99 km [mile] Maximum speed: 0.0(4.0)~99.9km/h [0.0(3.0) - 65.9 mph] Calorie consumption: 0~ 99999 kcal Clock: 0:00'~23:59' [1:00'~12:59'] Pace arrow: Yes Wireless transmission: Speed [analog sensor] Auto power saving: Yes Auto start/stop: Yes Odometer manual set: Yes Tire size: 26in., 700c, 27in., 27.5in., 29in., 16in., 18in., 20in., 22in., 24in., or 100cm ~299cm (default 26in.) Battery Computer: CR2032 X1, Sensor: CR2032 X1 Battery Life Computer: approx 1 year (1hr use per day). Sensor: approx 10,000 km [6,250 miles] in total distance Dimension: 55.5 X 37.0 X 16.5 mm Weight: approx 26.4 grams