1.Measurement methods: Oscillometric measurement 2.Measurement range:blood pressure(0-280mmHg);Pulse rate:40-199 times/min 3.Accuracy: blood pressure (±3mmHg); Pulse:±5% of measured. 4.Pressurization: full automatic pressurization mode 5.Decompression: Full automatic decompression mode 6.Air discharge: Full automatic rapid exhaust mode 7.Forced induction: Capacitive pressure sensor 8.Power supply:  AAA(1.5V) Battery*4pcs 9.Operation temperature and humidity:+5°c - +40°c ; 15%RH-80%RH 10.Machine net weight: 288g 11.Machine size: 135*98.0*71.5mm