Economical digital blood pressure monitor with a unique self-adjusting cuff, helps eliminate placement errors... no stethoscope needed. Measures both diastolic and systolic pressure (in mm Hg) and pulse with digital precision. Manual inflation, automatic deflation with pressure release valve for easy operation. Features include: on/off switch, five-minute auto shutoff, easy-to-read angled LCD, a handy vinyl carrying case, and an instruction manual. Requires four AA batteries (not included).