CATEYE VELO WIRELESS - MADE IN JAPAN The Velo Wireless now packs even more punch with a programmable odometer and menu screen. Installs easily on almost any bike, including 700c,27.5 and 29’ers. Functions Current / average / maximum speed Trip distance Total distance Elapsed time Clock Calorie consumption Features Analog wireless Pace arrow Simple tire size Auto start / stop Programmable odometer Menu screen to change setting Zip tie bracket 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 kcal Total distance (Odometer)： 0～99999 km [mile] Clock： 0:00～23:59 [1:00～12:59] Pace arrow： Yes Auto power saving： Yes Auto start/stop： Yes Odometer manual set： Yes Wireless 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 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 Details pls click... https://www.cateye.com/intl/products/computers/CC-VT230W/ Free pos w.m. East malaysia Rm10. More details pls see picture. If my phone off,pls email me,maybe I oversea.thanks. My shop at teluk intan,perak.area around super market TF. Email:edwind38001@hotmail.com Tel:012-572 9321