Nano Type-R2 Led Light for Saltwater/Reef Tanks Includes IR Remote Control Power: 11W Color Temp for White LED: 12,000K Wave Length (Actinic): 450-465nm Lumens: 790LM Light Dimensions (Inches): 8 3/8" Front Face x 6 5/8" Front to Back x 1/2" Thick Holding Bracket Dimensions (Inches): 4 3/4" Front Face x 4" Front to Back x 4" Tall - thickness at mounting point of light to bracket and light to tank is 3/4" For Rimless Tanks Only Maximum Glass Thickness = 7mm (Roughly 1/4")