Black anodized light alloy body. 12/24V power.Version A: Cylindrical Ø 32 mm. Rear thread 1/2" NPT.It is used in combination with the stainless steel cap 18.542.00 into which the light is screwed.Version B: To be screwed with included remote control (up to 15 m).3 modules with the ability to program colors, sequence, strobe effect, flash, etc.1.5-m cord included.