This Dr Morepen Blood Pressure Monitor BP-02 features extra large cuff that has been specially created to fit arms ranging from 16-1/2 to 23-3/5 inches around, making it ideal for large arms. Ideal for body builders, weight lifters, football players and bariatric patients, the cuff is cone shaped to give the user a better fit. Created for comfort and accuracy, the latex-free band snugly surrounds the arm to ensure an accurate reading. This monitor can also use the regular Lifesource cuffs in small, medium and large.With an extra-large display and an illuminated start button, the blood pressure monitor is easy to operate and understand. The monitor features a Pressure Rating Indicator that eliminates guesswork by indicating whether your blood pressure is high, low, or normal. While a trained professional should always interpret your blood pressure measurements, this monitor provides an easy way for you to see your pulse and blood pressure levels and understand how the numbers compare.