The Cateye Velo Wireless computer now packs even more punch with a programmable odometer and menu screen. Velo is the ultimate in practical, affordable and reliable wireless cyclocomputer technology. With an easy to read screen, you can see at a glance your training data. Now includes Calorie Usage. The Velo Wireless will be your loyal cycling/commuting companion for miles and miles. Installs easily on almost any bike, including 27.5 and 29’ers. Functions Current / average / maximum speedTrip distanceTotal distanceElapsed timeClockCalorie consumption Key Features: Analogue wirelessBacklight with night modePace arrowSimple tire sizeAuto start/stopProgrammable odometerMenu screen to change settingBattery indicatorZip tie bracket Design and specifications are subject to change without notice. Tech Specs Current speed:0.0(4.0)~105.9 km/h [0.0 (3.0) - 65.9 mph]Elapsed time:0:00'00"~9:59'59"Trip distance:0.00~999.99 km [mile]Average speed:0.0~105.9 km/h [0.0 - 65.9 mph]Maximum speed:0.0(4.0)~105.9 km/h [0.0(3.0) - 65.9 mph]Calorie consumption:0 ~99999 kcalTotal distance (Odometer):0~99999 km [mile]Clock:0:00~23:59 [1:00~12:59]Pace arrow:YesAuto power saving:YesAuto start/stop:YesOdometer manual set:YesWireless transmission:Speed [analog sensor]Tire size:26", 700c, 27", 27.5", 29", 16", 18", 20", 22", 24" or 100cm?299cm (default:26")Battery:Computer: CR2032 x1 Sensor: CR2032 x1Battery life:Computer:approx 1 year (1hr use per day) Sensor:approx 10,000 km [6,250 miles] in total distanceDimension: 55.5 X 37.0 X 16.5 mmWeight: approx 26.4 gramsCateye User ManualCateye Velo Instruction Manual