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. With this scan line generator, you will have better experience in your game. Can support some classic nostalgic games.Specifications: Material: plastic, metal Type: scanner line generator Model: VC005 Resolution: 1024*768, 800*600 Interface: VGA Product size: 6.0 x 4.8cm/2.36 x1.89inchWeight: 40g Operation: A: The total switch of the scan line effectB: Debugging of red and blue green tricolor (mainly through these three potentiometers)C: Width (double or single scan line) switchD: Resolution adapter (change resolution required)E: An odd or even switch in the scan line Package Included: 1 x scan line generator( VGA line are not included ) Note: 1. This product does not include the VGA line. 2. Due to manual measurement, may exist normal error 1-3mm, thanks for understanding!