NEC Lumen Video Projector (NP-UM351W-WK) Ultra short throw lens (0.36:1 throw ratio) helps eliminate shadows on the screen along with projected light in the presenter's eyes created by traditional front projection systems Comprehensive input/output panel, including dual HDMI, VGA and a microphone input ECO Mode technology helps extend lamp life and lowers power consumption Horizontal & Vertical Keystone adjustment or Cornerstone Correction ensures the image will fill the screen every time Remote monitoring and control of projector over network saves IT employee time and reduces costs related to projector operation