http://www.sanctifly.com/recreation/aeris-elite-t3-hoseless-air-integrated-dive-computer-with-transmitter-and-usb-cable/ Air, Nitrox, Gauge and Free Dive Modes | Buddy Pressure CheckTMSwitch between up to 3 independent transmitters, tracking up to 3 Nitrox mixes to 100% O2Personal Conservative Factor Adjustment | Custom Audible Alarms with Flashing Red LED lightAlarm Acknowledgement | Adjustable safety stop time and depth | Backlight with user-defined durationComplete" uni... Fri, 19 Feb 2010 17:00:03 CST en