A surface-mounted luminaire with high luminous efficiency and adjustable beam angle can be used for general and decorative lighting in houses and apartments, offices, museums, shops, exhibition or sales areas.
The light beam adjustable from 8 to 80° and the rotating housing allow you to flexibly and easily place light accents in the interior, and the high color rendering index does not distort color shades.

Dimensions: Ø55×132–165 mm
Color temperature: 3000, 4000 K
Light flux: 720 lm
Beam angle: 8–80°
Color rendering index: CRI>90
Degree of protection against dust and moisture: IP20
Power consumption: 12 W
Power supply: 230 V
Body color: black, white

https://arlight.ru/search/?q=SP-ARTEMIS-SURFACE-FLAP-R55-12W 

who works in V-Ray version 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 - what is preferable for you