Brand Jumper Model JPD-900W Color Silver grey Material ABS Quantity 1 Display Screen 1.85" LCD Measuring range 40~280 mmHg Functions Display pulse systolic pressure diastolic pressure Measuring Method Oscillometry Memory Function 60 groups Pressure Accuracy +/- 5mmHg Pulse Accuracy + /- 5% Exhausting Method Auto Power 2 x AAA (not included) Certification CE Features Safety classification: Type B equipment; Memory capacity: 60 sets of data including data and time; Inflation: Automatic inflation by internal pump; Deflation: Automatic speed deflation system controlled by internal electromagnetic valve Packing List 1 x Sphygmomanometer 1 x English manual 1 x Box