Automatic BP check machine High Blood Pressure meter 1- Display: digital LCD 2- Detection mode: oscillometry 3- Measurement range: 20-280 mmHg(Pressure); 40-195 beats/min(Pulse rate) 4- Accuracy: ±3 mmHg(±0.4kpa)(Pressure); ±5%(Pulse rate) 5- Memory: 2*99 sets 6- Automatic measurement and power-off 7- Automatic pressurization using a micropump 8- Power supply: battery or adapter 6V DC 9- Size of unit: 120*100*60mm; 10-Arm cuff:22-36cm 11-Main frame weight: 230g without battery 12-Size of LCD display: 48*30(cm)