14 day reader for eligible 10 day users† Learn more Stay up-to-date on the latest news Sign up for updates image of Libre continuous glucose monitoring System Check your glucose with a painless1 scan, instead of a fingerstick.* Diabetes is complex enough. Monitoring your diabetes shouldn’t be. Accurate The FreeStyle Libre 14 day sensor automatically measures glucose readings day and night,§ and is accurate for insulin dosing.* Convenient The small sensor is about the size of two stacked quarters and can be scanned discreetly,1 even through clothing.ǁ User-friendly The FreeStyle Libre 14 day sensor is painless1 to apply and easy to wear.1 It is water resistant so you can swim,¶ shower, or exercise.