The FreeStyle Libre Sensor has a small, flexible tip that is inserted just under the skin. Unlike traditional blood glucose monitoring, using the FreeStyle Libre sensor does not involve painful routine finger pricks.
It continuously measures the glucose concentration in your interstitial fluid, and stores 8 hours of data. You can scan as many glucose readings as you want whilst the sensor is being worn – it even scans through clothes! See product insert for more information.
No self calibration required - it is calibrated in the factory.