Sizes:

Length : 50/93/136/222 mm
Width: 50/93/136/222 mm

Format: FBX Vray + Corona

Vray and Corona 2013 versions are included

"Who works in a V-Ray version lower than 3.1 be careful, in the materials in the BRDF section there is a 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"

https://www.arkoslight.com/en/product/blackf01-es/