Feature:1. LegibleLCD digital display, 3-color backlight indicatorand intelligent voice functionare convenient for elderly peopleuse2. Easy to use, fully automatic, assume proper sitting position, wrap the cuff around your upper arm, just click the button can get your Systolic/Diastolic blood pressure and pulse result3. Two users have their own independent measurement records, each user can record up to 99 measurements4. The BP cuff fits standard and large adult arms providing the most accurate and comfortable during the measurement process5. Auto-off after no operation in 1minuteSpecification:Before your order, please note that:There are 4 versions to choose:1 - With Intelligent Voice Function+22-32cm Cuff2 - With Intelligent Voice Function+22-42cm Cuff3 - Without Intelligent Voice Function+22-32cm Cuff4 - Without Intelligent Voice Function+22-42cm Cuff1.Description:JZ-256A Upper Arm Blood Pressure Monitor with Large Cuff/2-Users Mode/3-Color Backlight Indicator/Intelligent Voice Function/LCD Display Screen Automatic BP Monitor/BP Cuff/Smart Blood Pressure Device to Detect Irregular Heartbeat2.Features:Legible LCD digital display, 3-color backlight indicator and intelligent voice function are convenient for elderly people useEasy to use, fully automatic, assume proper sitting position, wrap the cuff around your upper arm, just click the button can get your Systolic/Diastolic blood pressure and pulse resultTwo users have their own independent measurement records, each user can record up to 99 measurementsThe BP cuff fits standard and large adult arms providing the most accurate and comfortable during the measurement processAuto-off after no operation in 1 minuteWhen the air pressure exceeds 295mmHg-20ms, it will automatically and quickly exhaust for safe and reliable useTwo power supply methods that can be powered by 4*AAA battery/USB cable(Not included)3.Specifications:Item name: Upper Arm Blood Pressure MonitorDisplay: LCD digital displayMeasuring method: Pulse Scanning/OscillographyIntelligent Voice Function: Optional(Please choose the correct version before your order)Cuff length: 22-32cm/22-42cm(Optional)Measuring range:Blood pressure: 0mmHg ~ 280mmHg (0~37.3kPa)Heart rate: 40 times/min~195 times/minAccuracy:Blood pressure:±3mmHg (±0.4kPa)Heart rate:±5%Battery: 4*AAA(Not included)Material: PC+ABSProduct size/weight: 125*113*55mm/216gPackage size/weight: 170*105*116mm/398g4.Note:The actual use may be slightly different depending on the specific situationItem color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.5.Package List:1*Upper Arm Blood Pressure Monitor1*Cuff1*Storage Bag1*English User Manual1*USB CablePackage List:1*Upper Arm Blood Pressure Monitor1*Cuff1*Storage Bag1*English User Manual1*USB Cable