A 20W recessed luminaire with nine light modules and an excellent colour rendering index CRI>98, which conveys colours and their shades as accurately as possible.
Thanks to this, the lamp is suitable for basic, local and decorative lighting of houses and apartments, offices, shops, exhibitions, kindergartens, schools and medical institutions with high requirements for the quality of light.
The frameless light is easy to install in plasterboard ceilings.

Dimensions: 277×38×53 mm
Color temperature: 3000, 4000 K
Light flux: 1500 lm
Beam angle: 30°
Color rendering index: CRI>98
Degree of protection against dust and moisture: IP20
Power consumption: 20 W
Power supply: 230 V
Body color: white

https://arlight.ru/search/?q=MS-ORIENT-BUILT-TRIMLESS-TC-S38x277-20W 
"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"