Hand-held sphygmomanometer YK-BPA4

blood pressure Measurement method: upper arm type (use independent cuff) Measurement range 20-280mmHg(Pressure) Accuracy ≤±3mm Hg(±0.4kPa)(Static pressure) Screen display mode: LCD screen Pulse Rate Measure range 40-199beats/min(Pulse Rate) Accuracy ±5%(Pulse Rate) Conditions of use & Packaging information Storage environment Storage Temperature -20℃~+55℃ Ambient Humidity :≤95%H Atmosphere pressure : 50kPa~105kPa Use environment Operation Temperature +5~+40℃ Ambient Humidity :15%RH-80%RH Atmosphere pressure 86kPa~105kPa Service life: 5 years power requirements 1）AC power :AC220V，DC6V 2）4pcs*"AA" batteries , Product features ● The product adopts fresh and clean white design, streamlined appearance, ● Step-down measurement, the product has overpressure protection function, air pressure over automatic rapid exhaust. ●Error warning function: low power detection function; Automatic shutdown function. ● 2 users, 99 memories per user,Displays the average reading of the last 3 measurements ●Voice notification in Chinese, English, and other languages (optional).