Use the ViewSonic Cast Button to stream notebook content to the ViewBoard/Wireless Presentation Display in just one click. And you don't need to install other software or connect your notebook to the company network. The Cast Button's WPA2-PSK encryption ensures seamless and secure data exchange. Compatible operating systems: - Windows 7, Windows 8.1, Windows 10 or later - MacOS 10.10 or later - Chrome OS - Linux System requirements: - HDMI output and USB-A port Wi-Fi frequency/Authentication protocol: - 2.4 GHz & 5 GHz/5.8 GHz dual band 802.11 a/b/g/n/AC - WPA2-PSK Number of sources that can be displayed on screen simultaneously - 4 (ViewBoard Cast Receiver) - 16 (ViewBoard Cast Pro Receiver)