FreeStyle Libre 14 Day Sensor

The FreeStyle Libre 14 Day Sensor:

  • Worn up to 14 days on the back of upper arm
  • 1-hour warm-up period
  • Continuously measures glucose every minute and records reading every 15 minutes
  • Stores up to 8 hours of glucose data
  • No fingerstick calibration required
  • Accurate sensor readings (See FreeStyle Libre User Manual)
  • Small size – approximately the size of two stacked quarters

The 14 day sensor will NOT work with a 10-day reader. If you do not have a 14-day reader, you can download the FreeStyle LibreLink app and use your compatible smartphone as a reader. Learn more about compatible phones here.
The FDA requires a prescription for the FreeStyle Libre system.
For FreeStyle Libre system indications and important safety information go to: