The oceanic pro plus 3 deluxe is aputer has been updated with lots of safety features, and software to make dive much more enjoyable by taking any guessing about your dive time, ascent rate, and surface intervals out. Theputer with the largest, easiest to read display-anywhere, is the oceanic pro plus 3 deluxe, with qd, compass and usb cable. The oceanic pro plus 3 has been upgraded with the latest software for scuba diving. The easy push button, or water start turnputer on, and you can easily navigate the different settings. The oceanic pro plus 3puter can be set to either fresh water, or salt water dives, has adjustable safety stop settings, and logs detailed dive data for up to 50 dives. The data retention maintains calculations indefinitely when the battery is being changed. This deluxe set upes with a qd (quick disconnect) for the console for storage, pass for navigation, and a usb cableputer upload capabilities. Features of the oceanic pro plus 3 deluxe, with qd, compass and usb cable patented air time remaining algorithm- extremely accurate time based on current depth and air consumption dual algorithm custom alarms smart glo backlighting 3 gases- nitrox to 100% adjustable safety settings automatic safety stop prompt diver replacable battery max depth 100 meters/ 330 feet 12/24 time to fly countdown and much more. Come in and see one for yourself.