Dexcom G7 Sensors - 3 Pack The simple CGM (Retail Dexcom G7 Version AND Tandem Compatible Version) system that delivers real time glucose numbers to your smartphone or smartwatch. No fingersticks required. Effortlessly see your glucose levels and where they are headed. This helps you make smarter decisions about food and activity in the moment to take better control of your diabetes.  The new discreet sensor is about 60% smaller than its predecessor. Its small size and upper-arm wear location make it easy to forget that you're even wearing it.  Dexcom G7 can alert you up to 20 minutes before you go low, or when your glucose is too high. You can even personalize your alerts. Enjoy greater peace of mind knowing that Dexcom G7 can let you know when it's time to take action.  Features: Know where your glucose levels are at and track where they're headed. Customizable Alerts - Set up Alert Levels so you can get a High Alert or Low Alert when readings are below or above a target range. 60% smaller and can be worn discreetly on the upper arm. The Dexcom G7 app gives you the flexibility to customize alert sounds and settings to best fit your needs and lifestyle.  Includes: 3 Dexcom G7 Sensors Insertion device for each sensor