The supplied Blood Glucose Monitor is a hand-held instrument with a digital screen that's used with disposable test strips treated with chemicals that react to glucose. It uses a spring-loaded needle to create a tiny puncture in the skin, from which a blood sample is obtained. It is a tool to help know where your blood sugar is at, and what affects it. It allows you to obtain the following information, quickly and easily. The offered monitor is easy to use and made for commercial and personal uses. The Blood Glucose Monitor is very effective and useful.