This research study will test a new investigational continuous glucose monitoring system (System). The purpose of this study is to find out about the performance of the System in a home use environment over a 15 day period, in people with diabetes.

Inclusion Criteria:

The subject must:

• Have type 1 or 2 diabetes for at least 2 years prior to enrollment.
• Require insulin therapy administered through an insulin pump or multiple daily injections (MDI) for at least 6 months prior to enrollment.
• Be at least 18 years of age.
• Be able to read and understand English.
• In the investigator's opinion, be able to follow the instructions provided to him/her by the study site and perform all study tasks as specified by the protocol.
• Be available for all study visits.
• Be willing to provide written signed and dated informed consent.

Exclusion Criteria:

The subject must not:

• Be pregnant or likely to become pregnant during the study duration.
• Have skin abnormalities at the insertion sites.
• Have known allergy to medical grade adhesive or skin disinfectant.
• Be using a continuous glucose monitor currently or within the past 6 months
• Have a concomitant medical condition which, in the opinion of the investigator, could interfere with the study or present a risk to the safety or welfare of the subject.
• Be participating in another clinical trial.

Patients with type 1 or 2 diabetes requiring multiple daily insulin injections or using an insulin pump