Our hydroponic HPS grow light kits are put together using products from the best manufacturers Lumii & Gavita. We have HPS or MH systems to suit every grower. 400 watt HID (high Intensity Discharge) kits will light a 1m x 1m area very effectively. 600 watt HID grow lights are great for lighting an area 1.2m x 1.2m while 1000 watt HID kits can light an indoor garden area up to 1.5m x 1.5m. All our grow lighting kits include a lamp, ballast, reflector and cables and have been designed to work together. There's so many to choose from at our Hull megastore, We are your only one stop grow shop.