Prestige Medical 79-BLK Standard Aneroid Sphygmomanometer is designed to read your blood pressure accurately. This product can be used at home or by professionals. It's a standard adult size, nylon blood pressure aneroid sphygmomanometer. It comes in different colored cuffs, all with a black bulb and analog dial. This product is ideal for nursing students as it is affordable and will help them learn how to take patients' blood pressure. It can also be used by someone with hypertension who needs to record their BP on a regular basis. This tool can be used to accurately take blood pressure so you can be proactive with your health. It has easy to read numbers on the dial.