The McKesson aneroid sphygmomanometer monitor has a self-inflating wrist cuff for a detailed readout. The Select digital blood pressure monitor is easy to travel with. Each digital aneroid sphygmomanometer includes a 60-memory recall with an average of the three last readings. It contains two AAA batteries with complete instructions for ease of use. The aneroid sphygmomanometer with a cuff fits in a carrying case for safety. It's designed to fit most adults and includes a warranty.