Digtial Ballast, 1000 watt dimmable, for hydroponic using Digtial Ballast, 1000 watt dimmable, for hydroponics1) Input Voltage Range: 120V, 208V, 240V 2) ... 5) Fast start-up, reach full brightness quickly 6) Operate HPS & MH lamps. 7) Available in 220-240V and 110-120V ...