Simple, Easy, Functional. New Divers will appreciate the Beacons simplicity. Straightforward menu and easy to navigate operating system is a breeze to learn. All divers will appreciate the compact design and easy to read color screen. The Beacons advanced Thin-Film Transistor or TFT color screen provides outstanding color contrast in direct sunlight. The Bluetooth integration to DiverLog+ provides wireless connectivity to your dive log. Ultra bright high contrast full color TFT Display, easy to see and read in direct sunlight. Easy to use interface with intuitive menu structure and 3 button navigation Audible alarms and visual color-changing segments provide cautions for additional safety Patented Gas Time Remaining Algorithm provides calculations in real time Easy to read Full Tilt digital compass with reverse heading Works with the DiverLog+ App. *DiverLog+ app is available for free but must be downloaded on the App Store, Google Play or from ediverlog.com