1. Easy operation, easy to learn the skills, work very fast! 2. All in 1 machine, save space and no need mold and bubble remover. 3. Smart Constant Pressure; Automatic Lamination and Debubbling Mode. 4. Fit for all the touch screen phones under 8.5". 5. Automatic Lock cover, do not need to screw any more. 6. 3 in 1 separating laminating defoaming machine 7. Built-in vacuum pump 8. Built-in air compressor 9. Small size and light weight