The ProcyonPRO 4x LED grow light is optimized for growing in a 3′ x 3′ or 4′ x 4′ area for the most demanding light requirements.  Use far less power than a high pressure sodium light to get impressive results on plants all the way to the final stages of growth.   The brackets optimize the spacing and make the lights easy to move as a group.  Very simple assembly required.  260 Watt Power supply and a hanging rope/ratchet system are included.