The CatEye Padrone Digital Wireless shows your cadence and ride stats on a large, 3-row screen with up to four data displays, and allows you to sync the unit to a smartphone via Bluetooth. The Padrone Digital features the following measurements: speed, cadence, heart rate, total distance, trip distance 1 and 2, and moving time Its large, 3-row screen is easy to read The Padrone Digital can show up to four data displays for a personalized riding experience The computer can be customized using the Cateye Cycling smartphone app, or directly on the computer&';s menu screen Import a summary of ride data and upload to CatEye Atlas, Strava and TrainingPeaks via the Cateye Cycling app so that you can easily track your progress Compatible with Bluetooth SMART sensors Upgradable to triple wireless with the optional heart rate sensor so you can capture all the data you need Features a ClickTec button interface, auto start/stop, and sensor battery alarms Includes the FlexTight universal bracket Battery: 1, CR2032 Lithium Metal, 3(V), 0.735(Wh), 0.3g, Included