Model: DXJ-332 Arm-Type Fully Automatic Electronic Blood Pressure Monitor Establishing the clock and calendar Convenient. Memory: Double blood pressure of 120 groups Steady voltage plug interface of DC Automatic power-off funciton save the battary Accuracy: Pressure value: ± 0.4kPa(± 3mmHg), Pulse: ± 5% Measurement range: 0~300mmHg Dimensions: 145X 20X58mm Package quantity: 20pcs