Used on 3 grows with great success. Only thing missing is 1 hook but Ive always used wire or ratchet straps so its not needed. Fully programmable and comes with the optional controller. The item "Solar System 550w Full Spectrum Cycle LED 550 Grow Light with controller" is in sale since Tuesday, August 13, 2019.This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics & Seed Starting\Grow Light Kits".gerdj" and is located in Brandon, Florida. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Guadeloupe, Iceland, Luxembourg, Maldives, Oman, Pakistan, Paraguay, Reunion, Uruguay.