The newly designed Velo 9 is CatEye's entry level 9 function computer. The new, larger screen is even easier to read and set up is made simple with pre-programmed tire sizes. Along with current, average, and max speed measurement, track your trip distance, elapsed time, and odometer. Now featuring calorie consumption and a carbon offset measurement to help you track how much of a difference you are making. Specifications Current speed: 0.0 (4.0) to 199.9 km/h [0.0 (3.0) to 124.9 mph] Elapsed time: 0:00'00" to 9:59'59" Trip distance: 0.00 to 999.99km [mile] Average speed: 0.0 to 199.9km/h [0.0 to 124.9 mph] Maximum speed: 0.0 to 199.9 km/h [0.0 to 124.9 mph] Calorie consumption: 0 to 99999 kcal Carbon offset: 0.00 to 999.99 kg Total distance: 0 to 99999km [mile] Clock: 0:00' to 23:59' [1:00' to 12:59'] Pace arrow: Yes Auto power saving: Yes Auto start/stop: Yes Tire size: 16"/ 18"/ 20"/ 22"/ 24"/ 26"/ 700C or 100cm to 299cm (default:26") Battery: Lithium battery CR2032X1 Battery life: approx 3 years (1hr use per day, may vary depending on environment.? Dimension: 55.5?37.5?18.5mm Weight: 28 grams *The factory-loaded battery life might be shorter than the specification above. *Design and specifications are subject to change without notice. Manual http://202.215.251.86/images/manual/CC-VL820520_HP_ENG_v3-1.pdf (*)Lithium battery is used for this product. Therefore, I can not be sent to some countries. For example, France, Italy, Germany. For further information, please check the third page of the PDF below. http://www.post.japanpost.jp/int/use/restriction/restriction02_en.pdf