The Edge 850 cycling computer features a vivid color display with touchscreen and button controls plus advanced features to guide your training. Get smart fueling alerts that account for fitness, course demands, heat and humidity when using the power guide feature or following a workout with your compatible power meter and heart rate monitor. Ride like a local with preloaded maps for road, gravel and trails. And train like a pro with Garmin Coach training plans. Attributes Battery Type Lithium Ion Cadence Optional Computer Type Wireless Connectivity ANT+, BT LE, Wi-Fi Customizable Screen Yes External Sensor Compatibility Speed/Cadence/HR/Power GPS Yes Heart Rate Monitor Optional Primary Color Black Solar Charging No Touchscreen Yes Version Unit Only In the box: Edge 850 GPS cycling computer Flush out-front mount Standard mount Tether Charging/data cable Documentation