An economical and reliable choice for everyday use. Versatile classroom connections include HDMI, USB, Audio/Monitor Out, Computer/VGA and RS-232c. Built-in teaching aid provides line and grid projection templates for whiteboards. HDMI input allows you to enjoy high-definition content from Blu-RayÂ® and other digital media players. Powerful audio output from 16-watt speakers eliminates the need for external speakers. Expanded USB capabilities provide a direct connection for your document camera or flash drive.