This VGA over Cat5 extender kit allows you to extend a 1920 x 1440 (60Hz) signal up to 350', or a 1024 x 768 (60Hz) signal up to 500', when using 24Awg, Solid Wire Cat5e / 6 cable (sold separately). Extender draws power directly from a USB connection at the computer to eliminate the need for an external AC adapter. Receiver unit includes Gain adjustment for brightness & darkness control, & Equalization adjustment for sharp, clear images. VGA dongles allow for direct attachment to video equipment without requiring a VGA cable. Extender kit is perfect for digital signage applications, classroom or auditorium projectors, & more.