Polar V650 GPS Computer w/ HR Sensor A GPS bike computer for serious cyclists, the Polar V650 GPS Computer w/ HR Sensor is customizable and designed for all your needs. With OpenStreetMap support you can download the map data for your area and see your exact position in real time. The Polar M450 GPS Computer provides you with many features to help you keep track and work on your fitness. It delivers motivating feedback immediately after the ride, describing the effect of the training session. It also features a recovery status to show you the time necessary to recover before doing your next ride, taking your training to the next level. Features Measurement Display Water resistance Rechargeable battery USB cable Display texts in languages Bluetooth Smart Audio alerts Button lock Backlight Front LED light Date and weekday indicator Time of day (12/24h) Bike settings for three bicycles Firmware update Firmware update Specs Color touch screen Water resistant " IPX7 Asahi Dragon Trail glass window Polycarbonate case Audio alerts Front LED light Memory capacity over 10,000h Rechargeable battery with up to 10h training time