... Rate Accuracy: ±1BPMPatient Conditions:Weak pulse,Tachycardia,Obese ,Geriatric: ±1% ±1BPMMild exercise: ±1.5% ±1BPMStrenuous exercise: ±3% ±1BPM2.Pressure measurement Units: ... cmH2O,inH2O,psiRange: 0 mmHg-400 mmHgResolution: 1 mmHg, 0.1 kPa, 1 cmH2O, 1 inH2O, 0.1 psi Accuracy: 0 - 300 mmHg: ±0 ... F)Relative humidity: < 90%6.Display65k colors 4.3 inch TFT Display, brightness can be changed.7. Size (L x W ...