Automatic Digital Blood Pressure Monitor Upper Arm LCD Blood Pressure Monitors with Large Cuff Home BP Heart Rate Pulse Meter

Accurate & Reliable Measurement: FDA, CE & ROHS approved.   Features   «Double 99 group memory, IHB arrhythmia detection, WHO blood pressure classification   «Intelligent pressurization, live voice (optional), serial port (optional).   «Voltage detection   Product specifications   «Product size: 12.5cm*11.3cm*5.5cm (without arm band)   «Storage temperature: -20 ° C ~ 50 ° C   «Storage humidity: 15%~90%   «Operating temperature: 10 ° C ~ 40 ° C   «Operating humidity: 40%~85%   «Display: LCD digital display   «Measurement method: pulse scanning method / oscillometric method   «Measurement range: high blood pressure / low blood pressure: 20mmHg~280mmHg   «Pulse: (40~200) times / minute   «Resolution: 1mmHg (0.1kPa)   «Accuracy: ±3mmHg (±0.4kPa)   «Pulse: within ±3% of the reading   «Voltage: 3V   «Power consumption: 0.01W Need 4PCS AAA batteries(not included).