Sealed optics provide a maintenance free projection solution while LCD technology delivers an impressive and accurate image Horizontal & Vertical lens shift enables flexible projector placement Built-in HDBaseT provides simplified installations with a single cable for video, audio, and control signals Whisper quiet operation for minimal distraction Powerful 20W speakers provide volume needed for most large classrooms and conference rooms 4K Ready - Display stunning 4K 30Hz content using NEC’s proprietary high performance video processing/scaling chip Eco-friendly features, minimal maintenance and a cost saving design mean these projectors are great for demanding applications in higher education and corporate MultiPresenter for audio and video transmission from up to 16 sources simultaneously to the projector over the network