CP-X4021N is an amazing projector from Hitachi which has every incredible feature to meet the needs of corporate business environment. It has the brightest resolution 3LCD technology extended hybrid filter template function along with other advanced features making it a perfect projector. Hitachi CP-X4021N is virtually maintenance free.Features 3LCD 5000 hours hybrid filter Daytime mode to see projections in bright environment Blackboardwhiteboard mode HD ready High Definition HDMI High-Definition Multimedia Interface Long life lamp of more than 6000 hours Advanced networking features with LAN Advanced security features PC-less presentations AMX device discovery Full connectivity Perfect fit with 4 corners and 4 sides On screen display for easy navigationSpecifications table.p_specs td border1px solid CCC Model Name CP-X4021N Brightness 4000 ANSI lumens Weight 10.1 lbs Resolution Video 540 TV lines Resolution RGB 1024 dots X 768 lines Speaker output 16W Noise level 36 dB Normal Mode 30 dB Eco Mode Lens Zoom 1.7X Hybrid Filter 5000 Hours Lamp Life 2500 hours Normal 5000 hours Eco Mode Contrast ratio 2000 1 using active IRIS Dimensions W x D x H 15.8 x 12.5 x 4.1 Warranty 4 Years 3LCD Technology 3LCD Technology The 3LCD technology uses three high-temperature polysilicon liquid crystal displays HTPS LCDs. This is how the technology works First the White light is divided into Red Green and Blue using two dichroic mirrors that transmit light with a certain wavelength. Then each color is then passed through a dedicated LCD before being combined with the other colors in a prism. Finally the vibrant full-color image passes through a lens and is projected onto a screen. Amazing Color The 3LCD Projector effectively uses the 3-chip design to deliver incredibly bright true-to-life images with high color light output. Incredible Detail Incredible detail is produced by the smooth seamless color combination with an unparalleled grayscale range. Images appear smooth on the project