The Dexcom G6 is a continuous glucose monitoring (CGM) system designed for people with diabetes. It consists of a small sensor placed under the skin that measures glucose levels in real-time. The data is sent wirelessly to a compatible device, allowing users to track their glucose levels throughout the day without the need for fingerstick tests. The Dexcom G6 features customizable alerts to notify users of high or low glucose levels, helping them manage their diabetes more effectively. It is approved for use in both adults and children, making it a versatile tool for diabetes management.