Visible yet noiseless – bringing a sense of calm to your meeting spaces Scalable visualization has never been so silent. With an outstandingly low noise level of just 22dB (ECO mode), the P547UL is quieter than the ticking of a watch. 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.