The Polar V800 GPS sports watch is an advanced, high-tech training aid and coaching device for dedicated athletes looking to improve their peak performance. Use the Smart Coaching function to analyse in great detail many aspects of your training sessions, to monitor your recovery status, and to track your running and fitness development. The watch is waterproof to 30m (100ft), has a built-in GPS and can support multisport training and record transition times. It is compatible with the Polar Flow web service and mobile app for more in-depth analysis of workouts. The watch can measure your activity 24/7, including checking the quality of your sleep, and lets you make customisable profiles to maximise your training.