Features Large, 3-row screen with up to four data displays Upgradable to triple wireless with the optional heart rate sensor Compatible with Bluetooth Smart sensors Automatic sensor and tire recognition applicable to multiple bikes ClickTec button interface Auto start / stop Pace arrow Programmable display Sensor battery alarm Programmable odometer Setup on menu screen or with smartphone app Cateye Cycling Import a summary of ride data and upload to websites via Cateye Cycling app FlexTight universal bracket Functions Current / average / maximum speed Current / average / maximum cadence Current / average / maximum heart rate (optional) Total distance Trip distance 1 & 2 Moving time Clock Specifications Current speed: 0.0(4.0)~105.9km/h Average speed: 0.0~105.9km/h Maximum speed: 0.0(4.0)~105.9km/h Total distance: 0.0~99999.9/100000-999999km Trip distance 1: 0.00~999.99km Trip distance 2 - 0.00~9999.99/10000.0~99999.9km Moving time: 0:00༼"~99:59ཷ" Current cadence: 0(20)~255rpm Average cadence: 0~255rpm Maximum cadence: 0(20)~255rpm Current heart rate: 0(30)~255bpm *1 Average heart rate: 0~255bpm *1 Maximum heart rate: 0(30)~255bpm *1 Wireless transmission: Bluetooth Smart Clock: 0:00'~23:59' [1:00'~12:59'] Pace arrow: Yes Auto power saving: Yes Auto start/stop: Yes Auto sensor recognition: Yes Tire size: 100mm~3999mm (default:2096mm) Compatible sensors: CatEye brand HR-12 Heart Rate sensor * Also works with other brand Speed, Cadence and/or Heart Rate sensors conforming to Bluetooth4.0 CSCP/HRP/CPP Battery: Computer: CR2032 x1, Speed sensor: CR2032 x1 Battery life: Computer: Approx 4 months Speed sensor: Approx 5 months Dimension / Weight - Computer:67.5 x 43 x 15.6mm / 30grams Speed sensor: 70.4 x 86.3 x 23.5mm / 19.2grams What's in the Box CatEye Padrone Digital Computer Cadence + Speed Kit