Built-in plaster-downlights with a power of 5 W. The IP54 protection rating allows them to be installed in rooms with high humidity: in the bathroom, shower, or toilet. The recessed optics eliminate the appearance of glare. A high color rendering index and low flicker coefficient provide comfortable directed light that does not distort shades in the interior.

Dimensions: Ø33.5×60 mm
Color temperature: 2700, 3000, 4000 K
Luminous flux: 350 lm
Beam angle: 36°
Color rendering index: CRI>90
Dust and moisture protection rating: IP54
Power consumption: 5 W
Power supply: 230 V
Body color: white

https://arlight.ru/search/?q=MS-INVISIO-TRIMLESS-R35-5W 

"Those working in V-Ray version lower than 3.1, please be careful, in the materials in the BRDF section, it is set to Microfaset GTR (GGX), if your version is older than 3.1, the BRDF field will be empty. Choose Blinn, Phong, or Ward - whichever is preferable for you."