Kessil Tuna Blue A80 LED Light: The Kessil Tuna Blue A80 LED Light is the newest Kessil offering is half the intensity of the A160, but comes with all the same features and color and control knobs. It's compatible with the Kessil Spectral Controller. Coverage is 14" to 24" depending on the scenario. For small nano reefs with a medium light demand the coverage is 14" (with the bottom of the light 4" above the water). Entry level reefs with low light demand will have a 20-24" coverage (6" above water). For large fish only tanks with low light demand coverage is up to 24" (6"-8" above water). For the Kessil A80 there is an optional Gooseneck with a shorter 'neck' to accommodate the smaller light and smaller tanks. Dimensions: Outer Diameter=4.88" Height=0.98". Power Supply: 100-240V AC (input) 24V DC (output). Power Consumption: 15W. Kessil LED Light Pendant Mini Gooseneck Clamp/Mount: The Kessil LED Light Pendant Mini Gooseneck Clamp/Mount is a versatile mounting option that allows you to customize the positioning of your Kessil A80 LED Lights. Designed for use with the Kessil A80 LED Lights. 10" in length. Will work with all rimless and rimmed tanks with a rim up to 1-1/8" thick at its thickest portion.