Features:1.Using the oscillometric blood pressure measurement，Accurately measure the blood pressure2.intelligent presurize，live nonvoice (optional)，Serial port (optional)3.Voltage power detection，Low power consumption4.Dimention:77.5mm×68mm×30mm （not include Wristbands）5. LCD digital display，legible6. Intelligent pressure7. WHO warning message function8. Double mode，each of the 90 set of measurements of memory9. No operation in 1 minutes automatic shutdown10.The overpressure protectionfunction.11. An irregular heartbeat tips12.The clock featureProduct Specifications:Product 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: 0.01WPackage Included;1PC wrist blood prssure monitor (no original box)Batteries are not included