Used to measure blood pressure from the upper arm, the Beurer BM49 Speaking Arm Blood Pressure Monitor can display your measurements on the easy-to-read XL illuminated screen, or can read out the measurements through the speaker.The integrated speaker has an adjustable volume, or can be turned off altogether if required. As well as being easy to read, the display also shows a colour-scale indicator of the risk classification of your measurements, the time and date, and notification of incorrect usage. The Beurer BM49 Speaking Arm Blood Pressure Monitor can detect arrhythmias and will display a warning for possible disturbances in the heart rhythm.