The UA-651SL Semi Large Cuff Blood Pressure Monitor utilizes the latest 3rd generation technology from A&D. With a 3-line display and one-touch operation, it retains the fundamental principle of designing easy-to-use monitors. UA-651SL is also equipped with world leading technologies: IHB and WHO classification indicators. In addition, the latex-free and metal-free Slim Fit cuff will provide more comfortable measurement for sensitive skin. Specifications Colour: White and Blue Guarantee: 1 year Irregular HeartBeat (IHB) indicator WHO Blood pressure classification indicator 30 record memory + average reading Latex-free and metal-free SlimFit semi-large cuff (23-37cm)