Microlife Blood Pressure Monitor Cuff Large to XL: 32 52cm (12.6 20.5") Vascular Dopplers the DMX offers unrivalled value the DMX offers unrivalled value and quality Features include• Compact size 67 x 93 x 21mm weighs 92g (excluding 1 AA battery)• Large LCD screen 48 x 28 mm• Patient event button• Low running costs uses 1 AA Alkaline or rechargeable battery • Records 24 hours or up to 168 hrs (7 days) of ECG in internal memory• Uses Micro USB cable • Automatic beat analysis and classification of abnormal and normal beats • Heart Rate Variability analysis NICE Guidelines for Measuring Hypertension in Adults states that an appropriate cuff size for the person's arm is used CG 127 [1 then the cuff will inflate on itself