whats the dimension of its face in metric? would it seem to be too big for woman?
For more specific information like that, you would have to contact the manufacture directly. http://www.scuba.com/resources/warranty_info.asp
does it show how much air is left in your tank
Hello Dylan, no it does not tell you how much air you have left in your tank. Here is what the unit does: This is a metric pressure gauge and the display is in bar Dive time Surface and water temperature Actual and maximum depth Logbook for last 9 dives Automatic altitude compensation Automatic turn-on and off Surface interval displayed for 24 hours Metric only DEPTH: 330 meters Digital Depth Gauge - not a computer
A very practical instrument that incorporates state-of-the-art microchip technology, and several basic dive instruments into a compact information center. Depth rated to 1082 feet (330 meters).
Includes precision digital depth gauge, dive time, and thermometer: displays actual and maximum depth (up to 1082ft), dive time and temperature (water and air).
Automatic turn-on and off: it is automatically ready to dive after a self-test
Surface interval displayed for 24 hours
Logbook for the last nine dives
Automatic altitude compensation
Variable ascent rates in % and fast ascent warning; variable ascent rate warning (20-66ft/minute) for safer diving.
Long battery life for over one thousand 1-hour dives.
Temperature (water and air)