Features: 1. Adjustable LCD Display Screen: Tilt color screen provides you with clear view from any position such as sitting and standing; 2. Sensitive touch LCD display Screen: you just touch the screen to finish measurement, the operation could be easier an d more convenient. 3. The new generation auto lensmeter is based on Hartmann Sensor technology. Advanced simultaneous measurement of 108 points provides a faster measurement with greater accuracy and reliability.