Underwater Kinetics Light Cannon eLED 44652Maintains brightness throughout the battery life. Using the dovetail handle attachment either pistol or lantern grips can be attached as well as a photo arm. Features: A pair of water cooled high intensity LEDs delivering over 10 watts of power; High color temperature gives the beam the same color as sunlight; Brightness remains even higher underwater than in air with UK's unique LED water cooling design; Full (825 lumens) and half power (530 lumens)