Fully Automatic Inflation, Measurement while Inflation, irregular heart beat detection, BP classification indicator of WHO( World Health Organization), Automatic Power Off Function. Extra Large LCD, 60 Memory Positions, 1 Year Warranty Specifications: Measurement Method: Oscillometric - Measurement Range: Pressure : 0-300 mm Hg Pulse: 0-199 beats/min Display: LCD Display Dimensions: 120 X 140 X 70 mm Weight: 353 gms, Memories: 60, Pressure Sensor: MEMs Measuring Resolution: 1 mmHg Operating Temperature: + 5 to 40 degree celcius Operating Humidity: RH < 80% Storage Temperature: - 20 degree celcius to 60 degree celcius Storage Humidity: 10% to 93% RH Accuracy: Pressure within 3 mmHg, Pulse within 5%