... needed, easy to install Fiber optic VGA video and Audio transmitter receiver, the product can extend VGA, audio, and MIC interfaces of computer ... compatible with all operation systems, support plug and play Support VGA,audio and MIC.Specification:Input/ Output connector:VGAsize(mm)Sender:240 ... )/20km(SM)Operation temperature:-25°C~+70°CSignal support:VGA 2KM VGA Audio Fiber optic transmiter receiver