Features:Double 99 memories、 IHB irregular heartbeat detection、 WHO blood pressure classificationSmart pressure、Voltage power detectionProduct SpecificationsProduct Dimensions: 77.5mm ～ 68mm ～ 30mm (excluding wristband)Storage temperature: -20 ~ 50 degreeStorage Humidity: 15% to 90%Operating temperature: 10 ~ 40 degreeOperating Humidity: 40% to 85%Display: LCD digital displayMeasuring method: pulse scanning / oscilloscope assayMeasuring range: hypertension / hypotension: 20mmHg ~ 280mmHgPulse: (40 to 200) beats / minResolution: 1mmHg (0.1kPa)Accuracy: ＼ 3mmHg (＼ 0.4kPa)Pulse: ＼ 3% of reading withinVoltage: 3VPower Consumption: 0.01WPacking informationBox volume: 9.2cmX9.7cmX12.2cm、Batteries are not includedPackage include・1xBlood Pressure Monitor (Batteries not included )