Features:

• Bigger and better than ever, the ProPlus 4.0 features the latest Bluetooth 4.0 technology.
• Now divers can adjust and customize all their dive features on the go pre-and post-dive
• ProPlus 4.0 boasts a new display area, wider font size, and 22% larger digits than its predecessor (ProPlus 3), making it clearer and easier-to-read than ever before.
• With Bluetooth compatibility, ProPlus 4.0 adds to Oceanic's commitment to growing the largest family of Bluetooth compatible computers available to divers.

Details: Bigger and better than ever, the ProPlus 4.0 features the latest Bluetooth 4.0 technology. Now divers can adjust and customize all their dive features on the go pre-and post-dive. ProPlus 4.0 boasts a new display area, wider font size, and 22% larger digits than its predecessor (ProPlus 3), making it clearer and easier-to-read than ever before. With Bluetooth compatibility, ProPlus 4.0 adds to Oceanic's commitment to growing the largest family of Bluetooth compatible computers available to divers. Specifications FEATURES & FUNCTIONS ProPlus 4.0 Modes of Operation AIR, NITROX, GAUGE Push Buttons 2 Mounting Options CONSOLE Activation Water or Push Button Algorithm Basis Modified Haldanean / DSAT (Diving Science and Technology) Database / Z+ Altitude Algorithm Basis NOAA O2 Limit Basis NOAA Tissue Compartments 12 (5 to 480 minutes) Automatic Altitude Adjustment 2,000 - 14,000 ft / 610-4200 m Decompression Capability 10 - 60 ft (3-18 m) Automatic Safety Stop Prompt YES Cylinder Pressure and Air Time Remaining YES Audible Alarm YES Alarm Acknowledgment (U/W Deactivation) YES Ascent Rate Range 3-9 m/min - 6-18 m/min Ascent Rate Maximum 30 fpm (<60 ft)  - 9 m/min (<18m)60 fpm (>60 ft)  - 18 m/min (>18m) OceanGlo Backlight (Push Button) YES SmartGlo Backlight (Sensor) YES Diver Replaceable Batteries YES Battery Type CR2 Battery Life* 300 HOURS Battery Hot Swap (retains calculations) YES Low Battery Indicator (Graphic) YES Calendar / Clock YES Operating Depth (Max) 330 ft - 100 m Operating Depth (Gauge Mode) 330 ft - 100 m 12/24 Hour Time to Fly Countdown YES Calculated Desaturation Countdown YES