1. No need air compressor and vacuum pump 2. 2 in 1 laminating and bubble remove machine 3. Button start, easy to operate 4. Suitable for less than 14 inch devices 5. Use for laminating glass cover on the LCD screen, removing residual bubbles between glass cover and LCD screen, to achieve refurbishment the LCD screen 6. Without external air compressors and vacuum pumps, remove bubble and LCD screen laminating complete once