New Switchable / Dimmable 1000 watt ballast
Runs on 120 or 240 volts
Will Run 1000 watt bulbs, 750 watt bulbs & 600 watt bulbs

Lumatek 1000 Watt ballasts will run:
1000 watt Metal Halide
1000 watt High Pressure sodium Bulbs

Completely Silent - Up to 30% More Lumens

Dial A Watt Lumatek 250 watt Ballast
Completely Silent - Up to 30% More Lumens

New Switchable / Dimmable 400 watt ballast
Will Run 400 Watt bulbs and 250 watt bulbs

New Switchable / Dimmable 600 watt ballast
Will Run 600 Watt bulbs and 400 watt bulbs

Lumatek 240V 750 Watt Digital Ballasts, Produce about as much plant-usable light as a traditional 1000W MH ballast!!