Digital Blood Pressure Monitor (FULLY AUTOMATIC)??Product Information?Full automatic measurement with Oscillometric method.Fuzzy logic & large digital LCD display for easy readingLCD size: 35.4*62mmAccuracy: Pressure: +3mmHg,Pulse Rate: +5% of readingPressure Detection: Electrostatic capacity, semi-conduction pressure sensorAutomatic inflation with pumpingWHO blood pressure classification indicator.Irregular Heart Rate detection.Time/date display + kpa/mmhg unit exchange.Memory data: 90 for easy monitoring of blood pressure fluctuationsEasy to operate?for the convenience of ?elderly peopleRecommended by professional physicians,Automatic power-off 3 mintues after last key operationUpper arm circumference: 22-32cmTwo Power Supply Modes, you can install batteries to use or directly connect it with power to use ( You can prepare to use or USB cable and adapter by yourself).Power source: DC 5V /4 AA batteriesElectric Shock Protection: Internal power supply II, device type BTransportation and Storage Temperature/humidity:?-20?~+60?, 10%RH~95%RHEasy to Carry Around and OperateCompact DesignLow Noise Design