Luminaire KT-AQUA-R85-7W, KT-AQUA-R85-9W RGB

Underwater LED light with a maximum immersion depth of up to 2 m. Waterproof housing made of stainless steel with a high degree of dust and moisture protection (IP68). The optical block is covered with tempered glass with an increased thickness of 10 mm. Impact-resistant nylon insert resists corrosion and ensures long life. Can be used underwater in swimming pools, artificial reservoirs, fountains. The luminaire does not support PWM dimming. The kit comes with a 5m cable.

KT-AQUA-R85-7W

Dimensions: 84×48 mm
Color temperature: 3000K, 6000K
Luminous flux: 560-600 lm
Beam Angle: 25°
Color rendering index: CRI>80
Degree of dust and moisture protection: IP68
Power Consumption: 7W
Power: 12V
Body color: silver

KT-AQUA-R85-9W RGB

Dimensions: 84×48 mm
Color temperature: RGB
Luminous flux: 540 lm
Beam Angle: 25°
Color rendering index: CRI>80
Degree of dust and moisture protection: IP68
Power Consumption: 9W
Power: 12V
Body color: silver

https://arlight.ru/search/index.php?q=KT-AQUA-R85 

“Who works in V-Ray versions 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 suits you best"