The READER recessed sconce with a rectangular base and warm glow will create a cozy atmosphere for reading and relaxing in bedrooms, living rooms, libraries, and hotels. The light can be mounted on a wall, headboard, or upholstered wall panel using the surface-mounted base.
The rotating light module and narrow beam angle allow you to direct the light exactly where needed. A high color rendering index (CRI>90) ensures natural color tones.

Base dimensions: 60×86×8 mm
Dimensions of the light emitter: Ø30×110 mm
Color temperature: 2700, 3000 K
Luminous flux: 174 lm
Beam angle: 20°
Color rendering index: CRI>90
Protection level: IP20
Power consumption: 3 W
Power supply: 230 V
Body color: black, white

https://arlight.ru/search/?q=SP-READER-S60x86-3W 

"If you're using a V-Ray version earlier than 3.1, please note that the BRDF section in the materials lists Microfaset GTR (GGX). If your version is older than 3.1, the BRDF field will be empty. Select Blinn, Phong, or Ward—whichever is more preferable."