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 GPS Yes Heart Rate Monitor Optional Primary Color Black Touchscreen Yes External Sensor Compatibility Speed/Cadence/HR/Power Solar Charging No Version Unit Only