FreeStyle Libre 3 Sensor - 2 Pack The FreeStyle Libre 3 System is the only CGM able to maintain accuracy over 14 days without needing fingerstick calibration or sensor coding. Also, it gives your first reading just one hour after applying the sensor. The sensor for the FreeStyle Libre System is small, discreet, and water-resistant. The sensor is worn on the back of the upper arm. The slim design of the FreeStyle Libre 3 sensor is thinner than two stacked pennies. The sensor can easily be scanned through clothing. After the 1 hour start-up period, the sensor can be worn for up to 14 days. The FreeStyle Libre 3 sensor automatically measures glucose every minute. It sends the data to the FreeStyle Libre 3 Reader or your mobile device if you have installed the Libre 3 app, and it doesn't require finger-stick calibrations. Other FreeStyle Libre 3 Products FreeStyle Libre 3 Sensor FreeStyle Libre 3 Reader FreeStyle Libre 3 Starter Pack (2 Sensors & 1 Reader) Skin Grip Freestyle Libre Adhesive Patches FreeStyle Libre Silicone Case FreeStyle Libre 3 Sensor Features: ACCURATE - The most accurate 14-day Continuous Glucose Monitoring system to help reduce time spent in hypoglycemia and improve overall glucose control. DISCREET - The world’s smallest, thinnest, and most discreet sensor—smaller than two stacked pennies. EASY - Painless to apply and wear with a simple 1-piece applicator. RELIABLE - Optional, real-time glucose alarms let you know the minute your glucose is too high or too low. How to use the FreeStyle Libre 3 System Download the Quick Start Guide Here Package Includes: 2 x Sensor Applicators 2 x Sensor Packs 4 x Alcohol Wipes 2 x Product Inserts Reader is NOT included Learn How to View Your Blood Glucose Levels on the FreeStyle Libre 3 Mobile App