User Evaluation of the MiniMed 620G and 640G Insulin Pumps

Inclusion Criteria: * Subject is 7 years or older at time of screening * Subject is current insulin pump user for at least 3 months * Subject has the following Continuous Glucose Monitoring experience as determined by the Investigator: * Has experience and is able to insert/change sensor by herself/himself and * Has experience and can recharge the transmitter and * Has experience and can read sensor data in real-time on her/his pump screen * Subject has signed a Patient Informed Consent form and is willing to comply with the study procedures; * Subject is willing to complete study questionnaires throughout the study * Must have one of the following clinical diagnosis: * Type 1 diabetes, for a minimum of 6 months prior to enrollment * Insulin requiring type 2 diabetes, for a minimum of 6 months prior to enrollment Exclusion Criteria: * Female subject has a positive urine pregnancy screening test. * Female subject who plans to become pregnant during the course of study. If a woman becomes pregnant during participation, she will be withdrawn * Subject has any condition that, in the opinion of the Investigator or qualified Investigational Center staff, may preclude him/her from participating in the study and completing study related procedures. * Subject has impaired vision or hearing problems that could compromise the handling of the device as determined by Investigator or qualified Investigational Center staff * Subject is actively participating in an investigational study (drug or device) wherein he/she has received treatment from an investigational study drug or investigational study device in the last 2 weeks.