The ViewSonic® CDE5520 is a 55” premium 4K large format presentation display. With features including a razor-sharp resolution of 3840 x 2160, 450-nit high brightness, 178-degree ultra-wide viewing angles, 2 x 10W speakers, and wireless screen sharing, the display transforms meeting rooms into dynamic communications hubs. The built-in ViewBoard® screen sharing software*, ViewBoard® Cast (along with the optional ViewSonic® vCastSender app), enables both on-site and online users to participate in conferences and simultaneously share content. Equipped with twin dual-core processors, 3GB RAM, and 16GB of internal memory, the CDE5520 can play multimedia from internal storage or a USB flash drive. And with remote configuration and content management system support, the ViewSonic® CDE5520 is also suitable for a wide array of diverse signage applications. Can be used with Chrome, Android, Windows, Mac OS, and iOS