Measurement Part: WristMeasurement Method: Oscillometric with fuzzy methodDisplay: LCD Digital DisplayPressure Range: 0~300mmHgMeasurement Range: Pressure 40~280mmHg(5.4~34.6KPa)Pulse: 30~160/minuteAccuracy/Calibration:Pressure:-3mm~+3mmHg(-0.4~+0.4KPa)of readingPulse: -5~+5% of readingInflation: Automatic inflation by air pumpDeflation: Automatic liner pressure deflation valueSensor: Semiconductor pressure sensorPower Supply: 3VDC (2 X AAA alkaline batteries)Battery Life: Approx 200 uses (alkaline batteries)Power Management: Turn off automatically when there is no operation for 3 minutes, low battery indicatorUnit Weight: Approx 140 grams (not including batteries)Unit dimensions: Approx 75(l) X 75(w) X 65(h) mmCuff Size: Wrist Circumference approx 140~195mm