This extender kit sends VGA video and audio using a single CAT5e cable. The transmitter module features built-in 4-Port RJ45 D/A with loop-out for local screen and speaker system. Receiver module has dual-output VGA/Audio that allows you to connect two-sets of screens & speakers, gain and EQ control for optimal picture, and an extra RJ45 port to daisy-chain up to 3 levels. It supports resolution up to 1600x1200/60Hz at 100-Meter, 1280x1024/60Hz at 120-Meter, 1024x768/60Hz at 180-Meter, 800x600/60Hz at 200-Meter, and 640x480/60Hz at 300-Meter. To connect more screens and speakers, please order additional receiver module (VA-EXR) or wall plate receiver module (VA-EXR-WP). Includes wall-mounted transmitter & receiver, and universal power adaptors. (Connectors: HD15/3.5mm/RJ45)