TS3000, as the biggest LED grow light in TS series, offers enough coverage for 120x120 area with affordable price and quality yields, in return, it's able to be applied to both home cultivation and commercial veg cultivation. Wattage - 420w Veg Coverage - 5x5 ft (150cm×150cm) Flower Coverage - 4x4 ft (120cm×120cm) The overwhelming choice for most growers applying in grow tent, small room, cabinet & closet, plant shelves, and budget option for commercial vegetative cultivation. *Mars Hydro Certified Refurbished Products have undergone rigorous testing and assessment to ensure  they meet quality standards, allowing you to make purchases at affordable prices. However, please note  that Refurbished Products do not enjoy the same warranty policy as new products, the warranty period for  the LED grow light is one year. Once sold, returns or exchanges are not supported unless there are  quality-related issues.