This new series of full spectrum LED grow lights by California Lightworks, uses a revolutionary new generation of COB (chip on board) as well as new direct AC drive technology which eliminates the need for LED drivers. This offers high efficiency LEDs at a much lower cost than traditional LEDs. The SolarXtreme series is designed especially for grow tents and smaller scale home growing. The new COB LED design from California Lightworks also offers the ideal full spectrum for all phases of growth – available in three different power levels. This model is ideal for a 4 x 4 canopy area and draws 400 watts. MADE IN THE USA.