Automatic Digital Blood Pressure Monitor Model: DXJ-332 Upperarm Blood Pressure Monitor Measurement Method: Oscillometric Method WHO Classification Indicator. Large screen Digital Display Setting the clock and calendar Convenient to manage. Memory: 120 groups/2 users Steady voltage plug interface of DC Automatic power-off funciton "Err" indicator Accuracy of Pressure value:± 3mmHg, Pulse: ± 5% Measurement range: 0 300mmHg Cuff for upper arm circumference: 22-33cm Dimensions: 145X 120X58mm Package quantity: 20pcs Package size: 545x254x235mm Package weight: 11.3kg CE approval.