Our most popular computer with its large easy to read display is now available with a backlight. Backlight with Night Mode makes this computer the great choice to aid in your night ride. FUNCTIONS a Current / average / maximum speed a Trip distance a Total distance a Moving time a Clock a Stopwatch FEATURES a Analog wireless a Backlight with night mode a Large display and sleek design a Auto start / stop a Menu screen to change settings a ClickTec(TM) button interface a Programmable odometer a Low battery indicator a FlexTight(TM) universal bracket TECH SPECS Current speed:- 0.0(4.0)99.9km/h [0.0(3.0) - 62.0 mph] Total distance:- 0.099999.9km [mile] Trip distance:- 0.009999.99km [mile] Moving time:- 0:00&';00"99:59&';59" Average speed:- 0.0(4.0)99.9km/h [0.0 - 62.0 mph] Maximum speed:- 0.0(4.0)99.9km/h [0.0(3.0) - 62.0 mph] Stopwatch:- 0:00&';00"99:59&';59" Wireless transmission:- Speed [analog sensor] Clock:- 0:00&';23:59&'; [1:00&';12:59&';] Auto power saving:- Yes Auto start/stop:- Yes Backlight:- Yes [Night Mode (Full time or Part time)] Tire size:- 100mm3999mm (default2096mm) Battery:- Computer : CR2032 X1 SensorCR2032 X1 Battery life:- Computer (1hr use per day) approx 1 year (without backlight illumination/ approx 2 months (with constant backlight illumination Sensor:- approx 10,000 km [6,250 miles] in total distance Dimension:- 67.5 X 43.0 X 14.5mm Weight:- 31.5 grams Water resistant:- IPX8