SmartDose Evolution™ Oxygen Conserver

The Drive Medical SmartDose Evolution™ Oxygen Conserver is built for dependable respiratory care at home. Backed by a 2 year limited warranty from Drive Medical.Features Auto-Adjusting Dosing - Monitors breathing patterns for optimal oxygen delivery 7 Bolus Settings - Precise dosage adjustments for individual needs Extended Battery Life - Uses common AA batteries for up to 2 years of battery life; Auto shut-off Compact & Portable - Lightweight design for on-the-go convenience. Quiet & Efficient - Gentle oxygen delivery in a compact package. Versatile Compatibility - Works with most CGA 870 pressurized oxygen sources. Specifications Battery Life Up to 1 Year Warranty 2 Year Limited Dimensions 4.0"(W) x 6.5"(H) x 3.3"(D) Operating Pressure 500-3000 PSI PulseDose Volumes Liter Flow 1, 2, 3, 4, 5, 6, 7 Plus CF preset @ 2 LPM Savings Ratio Up to a 5:1 savings ratio from 14-40 bpm Weight 14.4 oz UPC 50822383024870 Model # OM-975