Starter Pack | Glucose Monitor FreeStyle Libre | AbbottPRODUCT DETAILS Check glucose anytime. With a one second scan, you can check your glucose anytime you want. Each scan of the reader over the sensor shows a current glucose reading, the last 8 hours of data and a trend arrow indicating if glucose is going up, down or staying steady. The reader stores 90 days of glucose data so you can see a complete picture of your glucose levels over 3 months to help your diabetes management. More insights. With