Projection System: 3LCD Technology, RGB liquid crystal shutter Color Light Output: 4,200 Lumen- 2,600 Lumen (economy) In accordance with IDMS15.4 White Light Output: 4,200 Lumen - 2,600 Lumen (economy) Native Resolution: WXGA, 1280 x 800 Native Aspect Ratio: 16:10 Native Contrast: 16,000 : 1 Light source: Lamp Lamp type/life: UHE, 230 W, 6,500 h durability, 17,000 h durability (economy mode) Keystone Correction: Auto vertical: ± 30 ° horizontal ± 30 ° Colour Video Processing: 10 Bits Colour Reproduction: Upto 1.07 billion colours Throw Ratio: 1.38 - 2.24:1 Optical Zoom: Manual, Factor: 1 - 1.6 Offset: 10 : 1 Interfaces: USB 2.0 Type A, USB 2.0 Type B, RS-232C, Wired Network, Wireless LAN a/n (5GHz) (optional), VGA in (2x), VGA out, HDMI in (2x), Composite in, Stereo mini jack audio out, Stereo mini jack audio in (2x), Cinch audio in, Loudspeaker 16 Watt Network Protocol: PJLink, Projector control via: AMX, Crestron, Control4, Extron USB Display Function: 3 in 1: Image / Mouse / Sound Security: Kensington lock, Control panel lock, Security cable hole, Wireless LAN unit lock, Password protection Features: AV Mute Slide, Automatic keystone correction, Built-in speaker, Direct Power on/off, Document Camera Compatible, Easy OSD pre-setting, Horizontal and vertical keystone correction, Network projection, OSD copy function, PC Free, Quick Corner, Split-Screen-Function, Wireless LAN capable, iProjecton set-up by QR code Colour: White