Tonometer Digital Portable Blood Pressure Monitor Cuff

Features «Double 99 group memory, IHB arrhythmia detection, WHO blood pressure classification«Voltage detectionProduct specifications«Product size: 7.56x6.84x3.1 (without wristband)«Storage temperature: -20 ° C ~ 50 ° C«Storage humidity: 15%~90%«Operating temperature: 10 ° C ~ 40 ° C«Operating humidity: 40%~85%«Display: LCD digital display«Measuring method: pulse scanning method / oscillometric method«Measurement range: high blood pressure / low blood pressure: 20mmHg~280mmHg«Pulse: (40~200) times / minute«Accuracy: ±3mmHg (±0.4kPa)«Pulse: within ±3% of the reading«Voltage: 3V   Packing information sphygmometer 1pcsHard ABS outer box 1pcsUser manual 1pcs  «Color box size: 9.6cmX9.0cmX12.0cm,«Outer box volume: 46.8cmX30.3cmX50cm«Weight: a single about 280 grams There are two styles,the English Voice Style and NO Voice style, please choose which you like.