UNA07 Cast Aluminum Low Voltage Round LED In-ground Well Light IP65 WaterproofUNA07 Installation Guide This simple yet strong high quality low voltage underground Well light will add the necessary illumination needed for your outdoor space. This landscape LED underground light is made up of heavy duty cast aluminum material and comes in a black finish which gives it a solid construction for durability and longevity. A 2 pin 5W AC DC MR16 12V bulb is required for this fixture. The dimensions of the in ground Well light is 4" (L)