Bm45 is a medical product which is an upper arm blood pressure monitor. It is fully-automatic measurement on the upper arm with circumferences of 22-36 cm and helps in automatic pressure of pre- selection and deflation. It has white illuminated XL display with START/STOP button and sensor-touch buttons. It has a 2x60 memory spaces with a WHO classification. It has an average of all saved measured values and morning and evening blood pressure for the last 7 days. It also warns of pos. disturbances of the cardiac rhythm (arrhythmia detection).