The MAG-ORIENT corner light for magnetic track systems serves as both a connector and a light fixture simultaneously: it transmits electrical power between the tracks. The wide beam angle allows for uniform general lighting of the space. The high color rendering index (CRI>92) ensures accurate color perception.

Size: 295×295×42 mm
Color temperature: 2700, 3000, 4000 K
Luminous flux: 1450, 1520, 1570 lm
Beam angle: 100°
Color rendering index: CRI>92
Dust and moisture protection rating: IP20
Power consumption: 18 W
Power supply: 48 V
Housing color: black

https://arlight.ru/search/?q=MAG-ORIENT-FLAT-ANGLE-L295-18W 

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