For those who prefer a manual blood pressure monitor like those used in hospitals and doctor's offices. Manually inflate and deflate for professionally accurate readings using an aneroid gauge, air release valve, and bulb, along with an included stethoscope. No need to worry about electronics or batteries. Detailed instructions guide you through taking your blood pressure with this device. The arm cuff fits arms with a circumference of 33 to 43 cm. Comes with a convenient black zippered carrying case. Features: Color: Black Material: Nylon+PVC Size: 22 x 12 x 1 cm This manual blood pressure monitor is similar to those used in doctor's offices and hospitals. The kit includes everything you need to start taking your blood pressure at home. Provides professional accuracy without the need for electronics or batteries. Deluxe arm cuff fits arms with a circumference of 33 to 43 cm. Includes an aneroid gauge, air release valve, and pump bulb with a 22" stethoscope. Comes with a convenient black zippered carrying case and detailed instructions. Package List: 1 x Blood Pressure Cuff and Stethoscope Kit