http://www.sanctifly.com/recreation/aeris-manta-scuba-and-freediving-wrist-computer-%7Eincludes-now-free-the-digital-online-class-to-get-the-most-out-of-your-dive-computer-/ Air, Nitrox, Gauge and Free Dive ModesAudible and Visual Alarms with User AcknowledgmentAdjustable safety stop time and depthBacklightingOptional ACI PC Download and Settings Upload Software and USB CableProduct Description Send in your old Computer, any age any model from any manufacturer, Get the Aeris Manta Scuba and Freediving Wrist Computer for the special... Wed, 23 Jun 2010 06:00:06 CDT en