Description Drive Chad Evolution Electronic Oxygen Conserver is designed for use as part of a portable ambulatory oxygen system for the purpose of facilitating long-term oxygen therapy (LTOT). This conserver provides mobile LTOT patients with an extended operating time of their mobile system. It includes a combination of a low-pressure regulator and an oxygen conserver and is capable of delivering a precise amount of supplemental oxygen at the optimal point in the breathing cycle. Benefits mouth breathers and patients who cannot take deep breaths by triggering more easily. Features Delivers a uniform oxygen pulse at increments: 1, 2, 3, 4, 5 plus CF present @ 2 LPM Continuously monitors breathing patterns and adjusts oxygen dose to match activity level Achieves maximum conservation efficiency by automatically adjusting the dose down when less oxygen is needed Delivers a quiet, gentle dose of oxygen using an efficient and compact design Allows delivered dose to increase up to 2 settings during patient exertion up to a maximum pulse dose setting of 7 Can use 2 AA Alkaline or 2 AA rechargeable batteries for a duration of about 1 year for most patients * Operating pressure range: 500 – 3000 PSI Weighs just 15 5 ounces with batteries Auto shut-off feature conserves battery life Fits easily in virtually any carry bag Warranty Limited 2 Year Model # om-900