The clinically validated, yet inexpensive Omron M2 Classic Upper Arm Digital Blood Pressure Monitor features Omron's Intellisense technology and simple one-button operation. An irregular heartbeat indicator means the device is capable of identifying possible arrhythmia.The unit has a clear LCD display featuring large digits making it ideal for use by patients or health professionals. The M2 Classic has an internal memory for the last 21 recorded measurements.FeaturesSingle button operationIrregular heartbeat indicator21 reading memory with recall buttonElectrical inflation with IntellisenseClear LCD displayRequires 4 AAA batteries (supplied)Supplied with medium adult cuff (fits 22-32cm)Technical DataMeasurement method: OscillometricBlood pressure range: 0 - 299mmHg (±3mmHg)Pulse range: 40 - 180 bpm (±5%)Dimensions: 104 x 81 x 129mm (W x H x L)------Monitors blood glucose levelsConvenient and reliableReads results in 10 secondsLess painful resultsAllows testing on forearm and palmMemory that saves up to 300 blood test results with date and time, and you can transfer it to your personal computer