The Microlife A2 Classic enables a comfortable and accurate upper arm blood pressure measurement at home. With the blood pressure threshold indicator, the reading can easily be classified. A2 Classic records up to 30 measurement values and is equipped with PAD technology for the early recognition of heart arrhythmias. Moreover, the device is delivered with a wide-range M-L-cuff which covers the majority of arm circumferences. wide-range-cuff M-L size cuff (22-42cm) Comfortable cuff for all common arm sizes PAD PAD technology Detects possible heart arrhythmias data memory 30 data memory Automatic storage of the last 30 blood pressure values PAD_circle PAD technology Early alerts to possible heart arrhythmias wide-range-cuff_circle Conical cuff shape Provides a better fit for improved accuracy Gentle_circle Gentle+ Optimal speed and pressure control Specifications PAD technology Gentle+ 30 data Memory Memory-average function Blood pressure threshold indicator (140/90) Low battery indicator Rechargeable battery-friendly Mains adapter port Equipped with 4xAA alkaline batteries, BP diary and M-L cuff (22-42cm) Model no.: BP A2 Classic Dimensions: 120 x 87 x 59 mm Weight: 375g (including batteries) Voltage source: 4 x 1.5 V Batteries; size AA or mains adapter DC 6V, 600 mA (optional) Measuring range: 20 - 280 mmHg (blood pressure) 40 - 200 beats per minute (pulse) All Microlife blood pressure monitors have been clinically tested for special patient groups such as diabetes, end-stage renal disease, pregnancy and pre-eclampsia, hypotension and children