This demonstration video discusses and shows the features of the VRX Dive Computer. It has a large, easy to read color LCD screen with high resolution graphics. This diving computer is compatible with closed and open circuit systems and can monitor up to 3 cells. It can be used for air, nitrox, trimix, and heliox and is programmable for up to 10 gases. It has a large, easy to read color LCD screen with high resolution graphics. The VRX also has diver adjustable decompression, so there is no more hanging your computer off the side of the boat to decompress. It is user changeable from metric to imperial and vice versa. You´ll never have to worry about changing batteries either; it comes with a rechargeable lithium ion battery and a charger that plugs into the wall. It is depth rated to 1000 feet.