Start making moves that make a difference The PS-100 measures heart rate & activity 24 hours a day, tracking your steps, distance, calories, sleep quality & heart rate across five zones. It will automatically set targets based on the goals you want to achieve, helping you plan weight loss & fitness. These will help you exercise more effectively, while tracking how everyday activities count over its 36-hour battery life. Heart rate sensing technology While there are a number of products available that measure heart rate & numerous devices that display a user's activity, Epson has successfully created a device that can accurately monitor both. Pulsense combines data from a unique optical sensor & accelerometer to fill the void, utilising Epson's heart-sensing technology to deliver a high level of accuracy. Connect & track your progress Bluetooth Smart connectivity & the free smartphone app make it easy to input calories & track your weight. The simple dials make interpreting & tracking your progress over a day, week or month very straight forward. A weekly summary report email helps keep you motivated & focused. LED indicator lights make it simple to see which heart rate zone you are in & will also vibrate to notify you of incoming call, email & calendar notifications. Water resistant to 3bars, it has an impressive 480 hours of internal storage.