Fully adjustable anodized aluminum mounting arm included - Height adjusts from 6 to 11", length adjusts from 8.5 to 13". Maximum glass or trim thickness of 1.2" or 3.1cm. with 360 degree swivel adjustment Features:
At one third the cost of similar lights you can purchase multiple AL-150 lights and get more even coverage of your aquarium for less cost and easier control-ability, making this light one of our top picks.