The lamp for thin magnetic tracks MICROCOSM allows you to organize general lighting, as well as create original light compositions. Thanks to the flexible silicone housing, the light module can be shaped into different shapes.

Soft diffused glow (daytime or warm) with high-quality color rendering is suitable for private or public interiors, including retail and exhibition areas. The brightness of the lamp can be controlled using a PWM dimmer (PWN).

Dimensions: 2000×5×10 mm
Color temperature: 3000, 4000 K
Luminous flux: 354 lm
Beam Angle: 100°
Color rendering index: CRI>90
Dust and moisture protection degree: IP20
Power consumption: 16 W
Power: 24 V
Dimming: PWM (PWN)
Case color: black

https://arlight.ru/search/?q=MAG-MICROCOSM-FLAT-ELASTIC-L2000-16W 

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