The Garmin 010-10644-00 GSC110 Speed/Cadence Bike Sensor enables you to monitor your pedaling cadence as you ride with this self-calibrating, wireless speed/cadence sensor. It measures and reports your pedaling strokes per minute, providing feedback for optimal performance. The sensor captures results for later workout analysis. It attaches easily to any bicycle. Package Content: speed/cadence bike sensormanualwarranty Captures results for later workout analysis Attaches easily to any bicycle Compatible with the following Garmin models Colorado, Dakota, Edge, Forerunner, Fortrex 401, FR60, GPSMAP 62 Series, and Oregon Series Height 3.00 Width 2.20 Depth 2.70 Weight 1.40 Color Black Operating System Batteries Included Batteries Required Number of Batteries Battery Type Language English, Spanish, French Assembly Required