Not all Wrist Blood pressure monitors are the same! It's important to get the most accurate readings every-time. The UB-511 Wrist Blood Pressure Monitor is clinically Validated and produces extremely accurate results. Professionals and Home users are assured of accuracy. Cost effective unit producing professional readings. The UB-511 is smaller, lighter and more compact than other wrist monitors, and is ideal for travel. Measures blood pressure during cuff inflation for a faster, more comfortable reading. Ultra Compact and Light Weight Design Our state-of-the-art technology brings real portability to the wrist monitor. It is 40% smaller and 30% lighter than our current model, the UB-328. Such a miniature monitor promises portable measurement whenever user needs to monitor blood pressure.