A320 Finger Pulse Oximeter Blood Oxygen SpO2 Heart Monitor Meter

--\n\nFeature: \n 1. Lightweight for carrying and easy to use.\n2. Manually adjust the direction of interface.\n3. Color LED display, simultaneous display for testing value and plethysmogram.\n4. Low Perfusion:0.2%.(Advanced Digital Signal Processor algorithm canimprove measurement accuracy, under the condition of low perfusion.)\n5. Visual and Sound alarm function. Real-time spot-checks. \n\nSpecification: \n\nFeatures: \n\n--\n\nLightweight for carrying and easy to use. \n\n--\n\nManually adjust the direction of interface. \n\n--\n\nColor LED display, simultaneous display for testing value and plethysmogram. \n\n--\n\nLow Perfusion:0.2%.(Advanced Digital Signal Processor algorithm canimprove measurement accuracy, under the condition of low perfusion.) \n\n--\n\nVisual and Sound alarm function. Real-time spot-checks. \n\n--\n\nLow Battery voltage indicator. \n\n--\n\nAutomatically switch off. \n\n--\n\nStandard two AAA 1.5V Alkaline Battery(Not included) support more than 20 hours c-