Fully Automatic Wrist Style Digital Blood Pressure Monitor " "Display: Digital LCD Detection mode: Oscillometry Measurement range: 20-280 mmHg (Pressure); 40-195 beats/min (Pulse rate) Accuracy: ±3 mmHg (±0.4kpa) (Pressure); ±5% (Pulse rate) Memory: 99 sets Automatic measurement and power-off Automatic pressurization using a micropump Power supply: 2*AAA batteries(not included)