LA County Growers RX-G4000 4000W LED Grow Light Samsung LED LM301B Indoor All Stage Veg Flower. Each light has been tested and inspected personally by me to ensure 100% function. If you have any questions send me a message. These are great lights, equal to or better than Spider Farmer brand. Spider Farmer aluminum heat sink that LED boards attach to are much thinner, I know from personal experience.You are getting a good quality product that I would personally use in my own garden. The item "LA County Growers 4000W LED Grow Light Samsung LED LM301B Veg/Flower" is in sale since Tuesday, May 26, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics & Seed Starting\Grow Light Kits". The seller is "lacountygrowers" and is located in Los Angeles, California. This item can be shipped to United States.