With the help of BLOCK luminaires with a power of 15 W, you can set clear accents or create a uniform light fill, emphasizing the geometry and volume of trees, ornamental plants, statues, facades and individual architectural elements of buildings. Choose a model with the desired radiation angle from 4 options - depending on the priority task.
The beam direction is adjustable within 120° vertically. The lamp body has a scale of degrees of rotation. A special valve equalizes the pressure and prevents condensation from forming inside the spotlight.

Dimensions: 130×84×177 mm
Color temperature: 3000, 4000 K
Light flux: 1670 lm
Beam angle: 3, 15, 36, 60°
Color rendering index: CRI>80
Dust and moisture protection level: IP66
Power consumption: 15 W
Power supply: 230 V
Body color: gray

https://arlight.ru/search/?q=ALT-BLOCK-S130x130-15W 

who works in 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 - what is preferable for you