less then 15 hours).  Affirm modules  communicate with your PC  via Infrared light when fitted into the reader box.
Compliance Science™ System includes PC software and a reader unit.

The Compliance Science System collects information on patient headgear use.

At each orthodontic appointment, the system reads: Total headgear wear hours, Quality Time hours of wear, Total Quality sessions, and hours of headgear wear in seven time division classes.

You can know the level of cooperation you are getting!