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 •Current / average / maximum speed •Trip distance •Total distance •Moving time •Clock •Stopwatch FEATURES •Analog wireless •Backlight with night mode •Large display and sleek design •Auto start / stop •Menu screen to change settings •ClickTec™ button interface •Programmable odometer •Low battery indicator •FlexTight™ universal bracket TECH SPECS Current speed:- 0.0(4.0)~99.9km/h [0.0(3.0) - 62.0 mph] Total distance:- 0.0~99999.9km [mile] Trip distance:- 0.00~9999.99km [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:- 100mm~3999mm (default:2096mm) Battery:- Computer : CR2032 X1 Sensor:CR2032 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