Sconce BLISS 162-11 W 11cm D 11cm H 63.5cm http://www.corbettlighting.com/Specs/162-11  Who works in the V-Ray version is lower than 3.1. Be careful the materials in the BRDF section are Microfaset GTR (GGX) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you.