Phantom Commercial DE Enclosed Lighting System With USB Interface: 208-240VThe grow light fixture uses a double ended fixture which delivers a constant PAR value over a wide growing area. The fixture has a USB interface connected to an Autopilot PX1 digital lighting controller for creating unique light recipes for individual plants. The fixture's auto restrike function stays protected against sudden power surges and fluctuations during the day. Four Way Output Control: You can set the output percentage of the fixture at 60%,