Can you describe about Vray?

Yes of course!

V-Ray is basically a plugin for many of the3D packages. It is a natural based engine which gives you complete customization according to the mood. You can get Photo realistic result with V-Ray.

I love to use v-ray with3D Studio Max and Maya. V-Ray has its own lighting, cameras and Material.

I suggest you to use and learn this.

V-Ray is a commercial rendering plug-in for 3D computer graphics software applications. It makes3d views more realistic. it is available for many3d software's. 

Please follow full link about vray

http://en.wikipedia.org/wiki/V-Ray