Product Model / Name: Arm Electronic Blood Pressure MonitorMeasurement method / method: Arm type / oscillometric methodMemory capacity / number of groups: double 90-group memoryBlood pressure range: 0-260mmHgPulse range: 40-199 beats / minApplicable arm circumference: 22cm-32cmAccuracy: pressure soil within 3mmHg, heart rate value within 5%Dimensions: 132 * 101 * 52mmHost weight: 240gPower supply: Lithium battery 5V type B / four 7th batteriesPacking list:Blood pressure monitor*1Your support is our motivation, we hope that you have a pleasant and comfortable shopping time. If you have any questions, you can contact us We will reply to you within 24 hours!