InFocus INF5711 57 BigTouch 1080p Interactive Touch Whiteboard Display Refresh Rate: 120 Hz Connectors: HDMI x 3 (2 inputs, 1 output), USB Type-A x 7 (4 USB 2.0 and 3 USB 3.0), USB Type-B x 1 for Touch Control, Ethernet (RJ45 x 2), RS232 input, Component, Composite, VGA, 2 x 3.5mm Stereo Mini Jack (1 microphone pass through, 1 for video), 1 RCA stereo audio in, and 1 RCA stereo audio out. Features: Windows 8.1 Pro experience on a 57-inch 1080p touch display Run all your Windows apps, even the older ones, in touch mode Whiteboard with optional BigNote software (FREE 30-day trial) Highly customizable for your needs and your PC applications Intel Core i7 processor with fast solid state hard drive Wireless mouse and keyboard included Edge-to-edge IR multi-touch system with support for 5-point Windows 8 gestures. Glass protection overlay for LCD surface. Integrated stereo 7W x 2; Compatible with optional ...