3 Shape Trios 5 Intraoral ScannerDescription 3 Shape Trios 5 Intraoral Scanner Calibration free The scanner is calibration free, meaning you dont need to calibrate after a certain number of scans. It's always ready to use! LED to indicate readiness A LED ring on the scanner indicates the status of the scanner: it tells you when it's connected, low on battery, or the tip is ready, for example. You'll know if you're scan ready with just a glance. Remote control button Use your scanner