LifeSmart LS-946 2TwoPlus Blood Glucose and Ketone Monitoring System is accurately measures your blood glucose, hematocrit and ketone levels. Wide hematocrit range (0-70%) enables it to be used on infants to old age adults. Actively connects to your smartphone allowing you to transfer, view and analyze your meaningful data in real time. Using the free app, it gives you the flexibility to share your data with your doctor, dietician or family members. Features: Enzyme type: GDH-FAD/HBD (Ketone), 3 Parameters: Glucose, HCT and Ketone, Ketone warning, Small sample size (1.0 µl), 7, 14, 21, 28, 60, 90 day average, 1000 memory sets with Date/Time/AC/PC.