Product details:

Designed by Tullio Dell Aquila, the XHO LED's have the highest output of any product in their class. Mix multiple units to create your own Xtreme High Output Led lighting system. Stylish black anodized housing, high performance reflector system, and assembled in the U.S.A. XHO LED's are the professional's choice. *Compatible with Apex when paired with (3M01344) - Reef Brite LED Controller Interface - Single, or (3M01343) - Reef Brite LED Controller Interface - Dual. TECH Model XHO Model Dimensions # of LED's Wattage Length # of LED's Wattage 8x1x1.75 6 9W x x x 12x1x1.75 6 9W x x x 15x1x1.75 6 9W 15 12 18W 24x1x1.75 12 20W 24 18 27W 30x1x1.75 18 30W 30 24 36W 36x1x1.75 18 30W 36 30 45W 48x1x1.75 24 37W 48 36 54W 60x1x1.75 30 45W 60 48 72W 72x1x1.75 36 54W 72 54 81W Important Notice to get the maximum performance and life out of Reef Brite LED products, all models and power supplies should be located in a well-ventilated area.