Track lights in a cylindrical body with a diameter of 80 mm are presented in black and white and are designed for installation in a single-phase busbar. Thanks to the adjustable beam angle (20-60°), they are an excellent solution for creating accent and local lighting. High color rendering index (CRI>90) allows the use of fixtures in exhibition and demonstration spaces. The minimalistic design of the luminaire will fit in both residential interiors in an urban style and restrained offices.

Dimensions: Ø80×181 mm
Color temperature: 3000, 4000, 6000* K
Luminous flux: 2700 lm
Beam Angle: 20-60°
Color rendering index: CRI>90
Degree of dust and moisture protection: IP20
Power Consumption: 30W
Power supply: 230 V
Body color: white, black
Insert color: black

https://arlight.ru/search/index.php?q=LGD-GELIOS-2TR-R80-30W 

those who work in V-Ray versions lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whichever suits you best