The 4 Sure Smart Duo Blood Glucose & b-Ketone Monitoring System is a brand new glucose monitor with a digital display. It is powered by a battery and comes with a lifetime warranty from the manufacturer. This wireless device also has a sleek black design and is from the 4Sure product line. It includes a case for easy storage and transportation, making it convenient for monitoring blood glucose levels on the go. Additionally, the system is equipped with the capability to monitor b-Ketone levels, providing comprehensive diabetes care support.