FreeStyle Libre sensor

While wearing the sensor, users generally won't feel anything under the skin. In a clinical user experience study, over 90% of participants did not feel discomfort under the skin while wearing the sensor1.   1. Data on file, Abbott Diabe...

Yes, the FreeStyle Libre sensor is designed to be water-resistant in up to 1 metre (3 feet) of water. We recommend it not be immersed longer than 30 minutes.

Each time the sensor is scanned, it automatically transmits data from the last minute, even if that data has not yet been stored.

A sensor lasts up to 14 days before needing to be replaced.

When the sensor is scanned, it automatically transmits 8 hours of data.

The sensor automatically measures glucose levels every minute and stores readings every 15 minutes.

One second.

The sensor is 5 mm in height and 35 mm in diameter – about the size of a toonie.

The portion of the sensor that is inserted under the skin is less than 0.4 mm wide and is inserted only about 5 mm under the skin.