Easy Scans
Can I use them with the new Blender 2.79?
YES, each Model has a complete Set of Texture From DIFFUSE to SPECULAR but also METALLIC and BUMP so you can use them with the PrincipledBSDF from Blender 2.79.
Can I Reduce PolyCount?
YES, with a simple Decimate Modifier you can reduce the PolyCount for each Model and use it as in a Low Poly Version.