If you are driving two projectors, two screens, or Double HD canvas, the full-featured CSC-1 Base Unit is the right choice. This unit is fully compatible with the ClickShare Buttons and the apps for mobile devices, and was optimized for use in high-profile meeting rooms and boardrooms. By enabling to display the content of up to 4 users simultaneously, the CSC-1 Base Unit brings a complete Clickshare collaboration experience. 64 Buttons can be wirelessly connected to the Base Unit, ready to share. Furthermore, perfectly synchronized sound and video ensures that movie clips can be optimally enjoyed. And dynamic content from iPads, iPhones and Samsung Galaxy devices can be shown directly to the screen using the specialized apps. For other Android devices, you are restricted to showing static content.