Surface-mounted light fixture with a power of 26 W for architectural lighting and decorative illumination of facades and architectural elements. The light directed in two directions (up and down) creates lighting effects on walls, columns, and other architectural elements. The color temperature can be switched on the housing: one of three shades of light (warm, neutral, or white) can be selected. The fixture is reliably protected from adverse environmental effects, and the optical unit is covered with tempered glass.

Dimensions: Ø92×220 mm
Color temperature: 3000/4000/5000 K (MIX)
Luminous flux: 1579–2694 lm
Beam angle: 40°
Color rendering index: CRI>90
Degree of dust and moisture protection: IP65
Power consumption: 26 W
Power supply: 230 V
Body color: black

https://arlight.ru/search/?q=LGD-WALDER-R92-2x13W 

"Those working in V-Ray versions lower than 3.1 should be careful; in the materials section, the BRDF 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."