Cressi Giotto Dive Computer, Scuba Diving Instrument w/Download Cable Watch Stand GupG Reg Bag The 3 button interface makes it effortless to program Air, Nitrox and Gauge modes from the first time a diver picks the computer up Download cable makes it easy to log your dives The clearly visible battery life indicator and distinct audible alarms deliver critical information as well as peace-of-mind during the dive Replaceable protective display screen An Aluminum watch stand makes it easy to display or use while connected to the download cable