Denver LED Direct's Vertical Showcase Light Kits offer enhanced lighting to help display your products in gorgeous 6000K bright light. This LED Vertical Showcase Light Kit includes:  one Vertical Bar light.  There is an optional power supply that is sold separately and several vertical bars can be wired together to a switch, or can be wired for direct connection to an electrical outlet (plug not included).  The wattage for each vertical light bar is 4.5 watts.