Linear track lights with a length of 293 mm and a power of 12 W for the MAG VIBE magnetic system are suitable for organizing general lighting - a wide angle of radiation, excellent luminous efficiency and a high color rendering index (CRI>90) provide bright, comfortable, high-quality light that accurately conveys the shades of surrounding objects .
The series includes luminaires with daylight (4000 K) and warm (3000 K) glow, as well as models with variable color temperature (3000–5700 K) and control via DALI and TUYA Zigbee, which can be used to create biodynamic lighting.
Minimalist lamps in black or white will easily fit into residential, office, and commercial spaces.

Dimensions: 293×25×29 mm
Color temperature: 3000, 4000 K, MIX (3000–5700 K)
Luminous flux: 880, 900, 920 lm
Beam Angle: 100°
Color rendering index: CRI>90
Dust and moisture protection degree: IP20
Power consumption: 12 W
Power: 48 V
Control: no control, DALI, TUYA Zigbee
Case color: black, white

https://arlight.ru/search/?q=MAG-VIBE-FLAT-L293-12W 

“Who works in a 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 - whichever is preferable for you"