CatEye AirGPS Cycling Computer Description: The CatEye AirGPS Cycling Computer is great for anybody who wants to track time, speed, and distance, from the everyday commute to the weekend trip. Just navigate to a separate data field and transmit your ride data to your smartphone through the App for uploading to supported platforms. Note: Before you purchase, check here to see if your smartphone model is compatible Features: 10 hours of runtime Hassle-free operation Automatically saves ride data when powering off Backlight (night mode) Simple setup via smartphone app Displays 3 data fields (programmable with smartphone) Ride data uploadable to CatEye Atlas, Strava, and Training Peaks Includes ISC-12 Speed and Cadence sensor Specifications: Rechargable Battery: Yes WiFi: No Color Screen: No Cadence: Yes (Cadence Sensor Included) GPS Enabled: Yes Touchscreen: No Heart Rate: Optional (Additional Sensor Required) ANT+ Compatibility: No Wireless: Yes Bluetooth Compatibility: Yes Power Meter Compatibility: Yes (Bluetooth Required) Color: Black Compatibility: CatEye brand SPD-30 Speed sensor CDC-30 Cadence sensor OHR-31 Heart Rate sensor ISC-12 Speed & Cadence sensor HR-12 Heart Rate sensor Note: External sensors using Bluetooth 4.0 are compatible but third-party devices are not guaranteed