Accurately keep trackThis accurate and intelligent GPS sports monitor features smart device compatibility. Sync the SF-510 with your phone to enable fast GPS positioning with the AGPS function to get you on your run faster. Its Smart Stride Sensor measures stride length and pitch and learns your individual technique, so if GPS signal is lost, the SF-510 will keep track of your distance and pace.Helping you to train smarterRunsense lets you track your progress against long-term targets and view your estimated finishing time or distance based on a set target, or you can improve your performance with the interval training mode. The free Runsense View portal and Run Connect app1 help you customise your settings, and monitor, analyse, compare and even share your stats to maximise your potential. Connect to your smart device using Bluetooth Smart. Cycle through four customisable screens, with up to three measurements on each, chosen from huge range of options.Train your way, for longerIts active GPS battery life of 30 hours - up to three times longer than comparable products - means you can run for longer before having to recharge. Water resistant up to 5ATM, and with a compact, lightweight design, the SF-510 is designed to fit into your lifestyle. Use it with an optional heart rate chest strap, or use the indoor mode to track your run during indoor training.KEY FEATURESAccurately measure your performanceGPS and Smart Stride SensorRun for longer30 hours of GPS battery lifeAnalyse and evaluateWith the Runsense View portal and free app1Customisable screensTap to cycle through your data (4 screens with up to 3 measurements)Dare yourselfTrack against your long term targetsCompatible with smart devices running iOS 6 or later (iPhone 4S, 5, 5S and 5C) and Android 4.3 or later. Also compatible with the Strava Android app.For more information please visit: visit www.epson.eu/runsense