Features: This is a 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. Arcade game video image produces the scan line effect, classic and nostalgia. Perfect recall of CRT.15KHZ video image display effect Re-experience arcade game classic picture, feel again the wonderful image of the scan line With this scan line generator, you will have better experience in your game. Specification: Condition: 100% Brand New Item Type: VGA Scanline Generator Material: ABS Color: Black Package List: 1 x VGA Scanline Generator Scan Line Generator Function Switch Description: VSYNC -- Image resolution adapter switch（Change the resolution requirement）. ON/OFF -- The total switch of the scan line effect. WIDTH -- Width switch（Dual or Singular scan lines）. EVEN/ODD -- Scan line odd or even number switch . R G B -- Red Green Blue debugging（Mainly through three potentiometer debugging effect. Description of vertical signals: 1.If the scan line switch is ON,The scan line has no effect（image darker）, This is vertical signal is out of sync. 2.If you need scan line effect,Toggle (VSYNC) to switch sync, resulting in effect. 3.If you don't need the scan line effect,switch is set to OFF,Image restoration to normal VGA state.（Darken image will restore brightness）. 1、This is a general purpose scan line video effect generator for VGA connection. 2、It allows you to get better view for low resolution graphics displayed on a modern big screen high resolution LCD monitor or TV. 3、Arcade game video image produces the scan line effect，classic and nostalgia 4、Perfect recall of CRT.15KHZ video image display effect 5、With this scan line generator, you will have better experience in your game.