This is the original Solis Tek Matrix that ran only single ended bulbs and has now been discontinued. Solis Tek has made an updated model, the Solis Tek Matrix V1.2 Digital Ballast that now runs both single ended and double ended (DE) bulbs. Check out our Reviews, Tests, Comparisons, & Information of all Solis Tek Digital Ballast models to find the information you need to make an informed purchasing decision on the best ballast for your needs. Solis-Tek is a leading provider of the industry's first software based technology ballast. We specialize in the highest quality components and circuitry for our digital ballasts for use in the horticulture and hydroponics industries. View Growers House exclusive 1000w Digital/Electronic Ballast PAR Footprint Test Review to compare this ballast with other popular ballasts on the market. The SolisTek Ballast is a digital ballast on a software based platform. Solis Tek Ballasts utilize Japanese components and unparalleled engineering, SolisTek is able to achieve a less than 1% return rate. Standard Features: Dimming: 1000W - 600W - 400W (SolisBoost can be applied to every setting) Soft Start Technology Powers 1000w, 600w, & 400w lamps Constant Power Factor 99.9% 8.75A @ 120v / 4.375A @ 240v CE and ETL Listed Solis Tek Ballast Exclusive Features: Optional Remote Control (purchased separately) Exclusive SolisTek remote control will allow you to wirelessly configure the wattage settings and set the integrated digital timer for your SolisTek Matrix Ballast(s). Only 1 remote needed for all of your Solis Tek Matrix Ballasts. BUILT-IN DIGITAL TIMER Custom programmed settings for grow/bloom. Sync all SolisTek Ballasts on the same schedule with only 1 remote control. Eliminate unnecessary external components. GREEN LCD SCREEN Digital green read-out to visually display ballast settings and won't disrupt plant sleep cycle. Dark cycle-friendly! BALLAST LIFE TIMER Onboard ballast 'odometer' that will count the number