Hitachi K33+ short focus series projector with 3000 lumens of brightness and 16000:1 contrast ratio, can be projected in close proximity to a large projection screen, effectively saving projection space. The Hitachi K33 is designed with a hidden focus ring and lens shift button above the lens. It has functions such as keystone correction and lens shift. Hitachi K34 LCD panel for the 0.63-inch polycrystalline silicon active matrix TFT LCD panel, the image processing modes are the following: DICOM simulation mode, HDCR (High Dynamic Contrast Display), Accentualizer (Image Distinctive Processing), Image Optimization (resurfacing technology), the user can flexibly change the choice according to their needs.