Waterproof 30 watt UVA LED BAR designed for 12 hr. cycle in a 4' x 4' or 5' x 5' space. Passive cooled, 24 inches in length with built in power supply. Bolt on installation for any HLG 550, HLG 600 Rspec®, HLG 650R, Scorpion® Rspec®, and Scorpion® Diablo. For any other lamp this fixture can be independently mounted adjacent to the lamp. Please contact us for different wattage cord options.