Checking your blood pressure at home is now easy with this GD Series palm type sphygmomanometer from Rossmax. Easy-to-Read and Accurate - The big dial face of the manometer makes it easy to read the measurement, while the non-stop pin ensures reliable operation and accurate readings. Single-Hand Operation - This unit is easy to use and can be operated with one hand. Latex-Free Cuff - The cuff is free from harmful latex and safe for you. It has a snug fit which ensures your comfort.