Bigger and better than ever, the ProPlus 4.0 features XL display and can now be connected to your smartphone via Bluetooth for the ultimate in user experience and adjustability. 
Using the free DiverLog App, divers can quickly adjust the dual Nitrox mixes (programmable to 100%), switch the patented Dual Algorithm with optional conservative factor settings, gas mixes, and user display and alarms, all on the go from their smartphone.