EnviroGro by LUMii 2ft (60cm) 2 lamp T5 Light (Lumen output rated up to 4,000). EnviroGro by LUMii 2ft(60cm) 4 lamp T5 Light (Lumen output rated up toÂ 8,000). EnviroGro by LUMii 4ft (122cm) 4 lamp T5 Light (Lumen output rated up to 20,000). EnviroGro by LUMii 4ft (122cm) 8 lamp T5 Light (Lumen output rated up to 40,000). These systems allow you to choose multiple hanging configurations to meet your gardens design.T5 lights can be daisy-chained together using LUMii HID Extension Cords. However, when linking, do not exceed the maximum load of the power supply. It has powder coated pre-galvanised steel housing and has a low profile. The EnviroGro by LUMii T5 System hangs three ways overhead, vertically or horizontally. There is a on/off switch on one end. The EnviroGro by LUMii 4ft (122cm) 8 lamp T5 Light features separate power switches, this allows you to use either the outer 2 lamps alone, the inside 4 lamps alone or ALL 8 lamps together more control for you! The item "Lumii 4ft T5 System Propagation Grow Light Blue Light 4 Bulbs NFT Hydroponics" is in sale since Saturday, January 2, 2021. This item is in the category "Garden & Patio\Hydroponics\Grow Lighting & Accessories\Grow Lights & Lamps". The seller is "bradford_hydroponics" and is located in Bradford. This item can be shipped worldwide.