Pressure mode: Fit the pressure, automatically adjust the appropriate pressure Measurement range: Systolic blood pressure: 60-280mmHq diastolic blood pressure: 40-160mmHg Pulse rate: 30-200bpm Pressure display range: 0-299mmHg Measurement accuracy: Pressure: soil 2mmHg Pulse: soil 5% Cuff: Fan cuff with replacement cuff cloth Applicable arm circumference: 200-350mm Safety system: overpressure protection: When the pressure exceeds 300mmHq, the pressure is quickly released; Emergency stop protection: When measuring, press M button to release pressure quickly; Measurement mode: manual interval mode, automatic interval mode, automatic meter measurement mode (10 measurement intervals can be set at will) Measurement can be manually inserted as required. Automatic retest: measurement failure, automatic retest once. Clock: Gregorian calendar 24 hour mode clock Dimensions: 70(W)x97(D)x26(H)mm Weight: 105g(without battery)