Slightly larger dimensions: 26" x 21.5" x 2.75. Our HLG 600 Rspec® Commercial Indoor Horticulture LED grow light is designed to replace 1000watt HID.Each HLG 600 uses 4 of our custom designed full spectrum high efficiency white light quantum boards with Samsung LM301H and Deep Red 660nm LED's. This unit is dimmable, with wattage output from 60 to 600 watts. High efficiency white light Quantum Boards®. Full Spectrum White and 660nm Red. Better canopy light penetration with diffused light. Auto sensing Inventronics power supply works on both 120VAC and 240VAC and 277VAC. Samsung LM301H & Deep Red. 5' x 5' at 28. 6' x 6' at 40. 26" x 21.5" x 2.75. The item "Horticulture Lighting Group HLG 600 RSpec LED Grow Light Bloom Veg 600W" is in sale since Monday, September 14, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "wholesalehydroponicssupplies" and is located in Tucson, Arizona. This item can be shipped to United States.