Features: This is general purpose scan line video effect generator for VGA connection. It allows you to get better view for low resolution graphics displayed on a modern big screen high resolution LCD monitor or TV. The scan lines added to the game screen are done by hardware. Any game that needs to add a scan line can be done by linking the device, and you do not need to do any other settings. There is no need to change your machine and equipment. The scanner is a self-powered device and does not require an external power supply. Can support some classic nostalgic games. With this scan line generator, you will have better experience in your game. Specifications: Type: scanner line generator Model: MR - V031 Resolution: 1024*768, 800*600 Size: 76.9 x 58.6 x 48.6 mm/3.03 x 2.31 x 1.91inch Weight:195g Interface: VGA Operation: A. ON/OFF-You can easily open or close the scan line, without removing the board. B. The intensity of the scanning line can be fine-tuned by three adjustable resistors on the scanner. C. The width of the scanning line can be adjusted to single-line width or double-line width by switch. D. You can flip the horizontal signal to use a different resolution scan line. 640*480/60Hz or 1024*768/60Hz. E. ODD/EVEN can switch the scan line go up one line, or down one line. Package Included: 1 x scan line generator 1 x VGA line 4 x L mounting feet + screws