The QUASAR with diffuse reflection system, increasing the angle of light to 180 degrees and 8000k lumens the brightest drain plug light that exists! At only 2.5" wide and 1.25" long makes this light the most compact and powerful of ANY type of underwater led that is made! 1/2" NPT drain threads, 6061 billet marine grade, hard anodized black 6061 aluminum. The light is removed via a bored hole off center. Simply insert a philips screw driver through the light to install and remove. This LED Fixture will illuminate 180 degrees in the water, it will light up the wake as well as everything else! If you use this light in saltwater, apply TEFGEL to all fittings (available in our online store) The light includes an inboard mounted driver. The LED's have a 50,000 hour life expectancy. 12 to 24 volt input Lifetime warranty.