TerryWhite Chemmart Digital Blood Pressure Monitor .All the essential functions for blood pressure monitoring in a smart compact unit. The TWCM UA-651SL was designed the concept of blood pressure monitors for easy and accurate monitoring in mind. With a 3-line display and one-touch operation, it retains a fundamental principle of designing easy-to-use monitors. TWCMUA-651SL is also equipped with world leading technologies: Irregular Heart Beat detection and WHO classification indicator. In addition, the latex-free and metal-free SlimFit cuff will provide more comfortable measurement for sensitive skin. The device comes with a cuff that will fit an upper arm between 23 and 37cm.