DiaExpert is an application available on your phone used to receive and display the glucose concentration value and remind when the blood glucose value exceeds the upper or lower limit of the preset blood glucose value. It also has system settings and other functions to help users analyze and evaluate the glucose reading of the continuous glucose monitoring system and form a report. Measuremenrs displayed on DiaExpert cannot be used for the diagnosis and screening of diabetes. If users need help, please advise with professionals for further medical assistance.