The machine works alright as far as I can tell but it has the same problem as the one I already had. The cuff is too wide and sometimes causes bruising on my upper arm.
Omron M3 Comfort AFib blood pressure monitor with 22-42cm intelliwrap cuff

With the Omron M3 comfort you can easily measure blood pressure, featuring a two user 60 result memory (for each user) and guest mode so you can effortlessly record data. The M3 provides accurate reading over 3 consecutive measurments and detects signs of atrial fibrillation and irregular heartbeats during measurments.
Comes with a 22-42cm intelliwrap cuff that ensures accurate readings and inflates the cuff to the ideal level for comfort and control.