Control D is a Diabetes Management kit (Blood Sugar Testing) monitor that helps you measure blood glucose levels, quickly, accurately and comfortably. It comes with 1 Glucometer, 1 Lancing Device, 10 Lancets & 50 Strips. Control D uses advanced Amperometric Biosensors to measure accurate blood glucose using low volume of blood in 5 seconds. It is the most accurate device to monitor glucose (sugar Testing) in blood at home. It requires only a small blood sample (0.5µL), which makes testing less painful. Lifetime Warranty