Global Positioning Systems (GPS)
Garmin Edge 810 Touchscreen GPS Bike Computer with Heart Rate Monitor and Speed/Cadence Sensor
Sleek lightweight GPS-enabled bike computer with 2.6” colour touchscreen and simple user interface Tracks details of your ride including speed, distance, time, location, elevation, heart rate, cadence and personal records Connected features include...
https://www.bizrate.co.uk/globalpositioningsystemsgps/garmin-edge-810-touchscreen-gps-oid36765106799.html