Note:Because specific televisions and computers vastly different， the actual effect is not all the same， so if you use the high-definition TV or have high requirements of the definition， we do not suggest you buy this device.Specification:VGA to TV converter box allows you watch online video， play computer games， and browse the web using your TV as your monitorEasy set-upSimultaneous display on monitor and TVOne input and one output for VGA signalsOne output to videoOne output to S videoOne ACPI to 5V1: Video - refers to the external video source Composite input S-Video - refers to the external video source SVIDEO input2: to display card - refers to an external VGA display card input3: to monitor - VGA signal output means the converter， then the VGA device4: Power - external + 5V voltage input must be connected with the + 5V voltage regulator， or else you may want to burn video converter5.Input button: You can input signal in VGA input， switch between AV signal and SVIDEO signal.6.Menu VGA monitor OSD on-screen menus， you can easily control the property of the video . Such as: brightness， contrast， color saturation， gray.Menu operation: press the "Menu" button， such as: on-screen OSD menu will display brightness Bri， circulation press the "Menu" button， displays Bri brightness， Con contrast， Sat color saturation and Hue gray menu， by press Freeze / + and Reso / - corresponding buttons to increase or decrease the value.7.Freeze / + button， single press will freeze the video image， and then click， it will unfreeze the video image. 8.Reso / - button: You can change the display resolution， display frequency properties. LY-521 supports three VGA resolution， namely 800X600X60HZ， 800X600X75HZ， 1024X768X60HZ， 1280X1024 (60Hz). Feature: Resolution of VGA signals: 640x480 @ 60/72/75/85Hz， 800x600 @ 60/75Hz， 1024x768 @ 60/75Hz， 1280x1024 @ 60HzSupports NTSC， NTSC-EIAJ， PAL， PAL-M， and PAL-N systemsPackage: 1 x converter box， 1 x VGA cable， 1 x S-video cable， 1 x RCA video cable， 1 x USB power adapter cable， 1 x instruction manual