NEC M403W PROJECTOR The excellent price performance ratio makes this projector especially suitable for classrooms and mid sized meeting rooms. The filter free design with dust-protected DLP light engine very long lamp life and low power consumption results into remarkably low cost of ownership. Various innovative new ECO functions such as the Ambient Light Sensor help to significantly reduce power consumption. Connect and share With up to 40 wireless devices with the NEC Image Express Utility (Windows and; MAC) as well as Wireless Image Utility (iOS and; Android) software. Maximum flexibility Due to large 1.7x optical zoom horizontal and vertical keystone correction. Robust and dust resistant Thanks to sealed DLP light engine. Low cost of ownership Up to 8000h lamp life low power consumption. Great connectivity Due to numerous analog and digital connection terminals as well as network capability..