This is the Sherwood ProFile NITROX Computer. Whether you're 60 feet down or 260 feet down, you want exceptional reliability. But you also want a computer that's easy to read, that makes sense. ProFile gives you both. Features of this awesome computer include: Sherwood Quality!!! ProFile has one of the most intuitive displays anywhere Color indicating bands and a logical layout of readouts provide information at a glance ProFile's time-tested algorithm reliably calculates, updates and displays no decompression limits throughout your dive and if you get into a decompression situation it will give information for stops as deep as 60 feet Air/Nitrox or Gauge operating mode Deep stop reminder - conforms to latest theories recommending deep stops for dives that exceed 80 feet Digital and bar graph indicators for nitrogen, oxygen limits and ascent rate Analog ascent rate indicator with warnings Temperature readout Visual alarms Automatic altitude compensation to 14,000 feet 50-dive log User replaceable batteries Extended depth readings to 330 feet Standard or metric unit selectivity Temperature Gauge Easy console upgrade: Profile fits all current Sherwood consoles and can replace depth gauge This beauty gives you full-function capabilities and is the answer to safer more enjoyable diving for new divers and pros alike.