The Casio XJ-M145-EJ projector is part of Casios Signature Model range of projectors. The Signature Model range of projectors come equipped with increased connectivity, 3D-ready features & auto brightness adjustment to save power & eye fatigue for your audience. The USB (Universal Serial Bus) models are also Interactive Whiteboard capable with a built-in Interactive Whiteboard system, meaning you can give presentations from your smartphone, mobile device or even USB (Universal Serial Bus) flash drive, without the need for a PC. The XJ-M145-EJ projector is designed to be used in either an office or a home environment. Enjoy the highly detailed & crisp images produced from its 2500 lumens & 1800:1 contrast ratio.