This Demonstration Video discusses the features of the TUSA IQ-950 Zen Air/Nitrox Hoseless Computer Dive Watch. The TUSA IQ-950 is a watch and a full function dive computer. IT has Hoseless air/nitrox integrated technology. You can switch between up to 3 independent transmitters, tracking up to 3 Nitrox mixes or your buddy´s tank pressure. It has Air, Nitrox, Gauge and Free Dive Modes. Button or Water Activation. It has a Large, easy to read display. The watch has a Backlit Display for Night Diving.