Electronic Arm Type Blood Pressure Monitor LCD Display Health Care Meter Material: PlasticPower Supply Method: 4 5th batteries/Micro-USB data cableMeasurement Method: oscillometric measurementDisplay mode: LCD displayDisplay: LCD with backlightMeasuring Range: blood pressure: (0-299)mmHg (0-39.9)kpaPulse: (40-180) times/minuteMeasurement Accuracy: blood pressure: ±3mmHg (±0.4kpa)Pulse: ±5%Storage User Group: 2 x 99 groupUnit Switching: mmHg/KPa unit switchingVoice Function: English voice broadcast, voice on/off can be setAlarm Function: you can set the alarm timeAuto Power Off: 30 seconds auto power off after no operationCuff Range: 22-420mm/8.7-16.5inchFeature:Large-scale digital liquid crystal display screen for clear view. Using the oscillometric blood pressure measurement for accurate measurement.Arm type and one-button measurement, easy to operate.Intelligent pressurized to automatically adjust the pressure of arm band, short time to bring you comfortable experience.Simple large LCD screen, clearly display the valued parameters.WHO warning message function and irregular heartbeat measurement function.Double mode, each of the 99 set of measurements of memory.No operation in 30 seconds it will automatically shutdown, great for home and medical use.Built-in premium chip gives you stable and accurate measurement.