DAFNA universal ground lamp with a power of 36 watts.
Technical features allow the luminaires of the series to perform a variety of tasks: uniform illumination of large areas, and accent point light. Models with 4 radiation angle options will help to illuminate pedestrian paths, house territories and facades in a single style.

Dimensions: Ø210×125 mm
Color temperature: 3000, 4000K
Luminous flux: 2824 lm
Radiation angle: 10, 20, 35, 45°
Color rendering index: CRI>80
Degree of dust and moisture protection: IP67
Power consumption: 36W
Power supply: 230 V
Body color: silvery

https://arlight.ru/search/?q=LTD-DAFNA-GROUND-R210-36W 

"Who works in V-Ray versions lower than 3.1 be careful, in the materials in the BRDF section there is a Microfaset GTR ( GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward – which is preferable for you"