This is a 2 ft 4-lamp fluorescent grow-light. Plug in and go with this beautiful light. Perfect for indoor gardens, greenhouses, almost anywhere. If you buy multiple, you will be able to connect them together with daisy chaining. For max yield, make sure to place fixture 3-4 inches above the plants. Fluorescent fixtures do not get hot enough to damage the plant with heat. Included in package: 2ft 4-lamp T5 light-weight grow light, Qty4 F24T5HO 24W 6,500 kelvin 10000 Lumens blue-white grow lamps, 8-foot power cable - also useful for daisy chaining, mounting chain and hooks, UL-approved ballast already installed in the fixture. 120V Input, 96W Input, L23.5\"x W12.5\" x H4\". 30% less weight than any another brand products enables EZ installation. Not Compatible with GFI outlets. Works with timers. Discrete shipping in a brown box.