A1CNow SelfCheck system provides a fast and easy way of obtaining accurate HbA1c results in the home to help you better manage (or avoid) diabetes. Commonly referred to as A1c, an HbA1c measures the last 2- to 3-month average of your blood glucose. The A1CNow SELFCHECK, comes in a convenient 2-test pack with all of the items you need to complete both tests (monitor, test cartridge, fingerstick lancet and blood collector.)