The ViewSonic® CDE5520 is a 55" premium 4K wireless 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. Chrome, Android, Windows, Mac OS, and iOS compliant ULTRA HD RESOLUTION With four-times the resolution of Full HD, this Ultra HD 3840x2160 display delivers a breathtaking viewing experience with immersive images that are vibrant, clear, and as large as life. POWERFUL ALL-IN-ONE SOC PLATFORM The ViewSonic® EMBEDDED Signage Platform (VESP) is a Linux-based Kernel OS, all-in-one solution that simplifies installation and maintenance. With VESP, there is no need for any external devices to communicate with the server or play digital media. Enjoy simplified development, reinforced capability with multiple web formats, and secured protection. FREE VIEWBOARD ® CAST CONTENT SHARING SOFTWARE ViewBoard® Cast enables content to be streamed from mobile devices onto the display via wireless or cable networks. Multiple users can simultaneously annotate content (such as documents, cloud files, multimedia, etc.) on their devices in real time, and then stream and share that content onto the ViewSonic large format display. One-to-one, one-to-many, and 4-in-1 multi-screen options are also available. AV CONTROL SYSTEM CERTIFIED The AV control system is at the heart of all integrated AV systems and impacts the overall effectiveness of the entire system. Proper programming is essential for completing profitable projects, gaining user confidence and client satisfaction, and promoting relationships. These wireless presentation displays are Crestron, Extron and AMX certified. EMBEDDED LAN AND OPTIONAL WIRELESS CONNECTIVITY An integrated RJ45 connection, as well as optional Wi-Fi capabilities, provide easy network connection options for content streaming. CONTINUOUS DISPLAY MAINTENANCE Included vController™ software provides a simple and intuitive interface for local display management, while an optional 42Gears SureMDM app allows users to monitor and remotely diagnose irregularities from virtually any location. RELIABLE 24/7 OPERATION Featuring a long lifespan, this professional-grade commercial display is designed for reliable use 24 hours a day, 7 days a week. Ideal in virtually any commercial application and environment, this commercial display delivers peace of mind with its robust and durable design. DUAL INTEGRATED SPEAKERS Designed with dual integrated speakers, this display combines incredible screen performance with stereo sound. 3-YEAR LIMITED WARRANTY Have peace of mind in the quality and reliability of your ViewSonic display-backed by one of the industry's best pixel performance policies and a 3-year limited warranty.