Adjustable LCD display screenTilt color screen provides you with clear view from anyposition such as sitting and standing Sensitive touch LCD display screenYou just touch the screen to finish your easurement,the operation could be easier and more convenient. This new generation auto lensmeter is based on Hartmann Sensortechnology. Advanced simultaneous measurement of 108 pointsprovides a faster measurement with greater accuracy and reliability. Automatic recognition of single and progressive lens High-speed UV measurementJust hold the lens through the sensor, the display will easilyindicate the UV measurement by the progress bar. Built-in thermal printer Quick data print with built-in printer. Easy to reload printing paper. Built-in Uv tester