Thanks to the completely sealed engine, this laser projector is filter-free meaning 20,000 hours of maintenance-free operation. Comprehensive connectivity and optional WiFi provide the utmost flexibility and time saving operation. The enhanced embedded MultiPresenter functionality enables wireless presentation and screen sharing for up to 16 devices simultaneously, out of the box to your meeting room. The technology is future-proof with the capability of processing 4K inputs at 30Hz. Bringing the future of projection to your meeting room has never been easier, quieter and as low maintenance than with the NEC P547UL. Benefits No filter service required a completely sealed optical laser LCD engine allows a filter-free design. Brilliant colour brightness is maintained and servicing costs need no longer feature in your budget. Low Noise Level with 22dB*, the silent technology will not disturb your meeting. No lamp replacement up to 20,000 h maintenance free operation possible due to Laser Light Source. Risk Group 2 because of the Risk Group 2 compliance, no prescribed safety precautions are necessary. Professional and Flexible Installation versatile projection characteristics allow for simple positioning of the projector, making installation easy and potentially saving set up costs.