Lumatek 240v Twin BallastThe Lumatek Twin digital ballast is two 600W dimmable multi watt electronic ballast housed in one case and designed to be able to power and control two HPS or MH horticultural lamps independently. This unit features two separate lamp leads with IEC and two separate output power controllers with four different power settings enabling dimming and boosting power or selecting specific output for different rated lamps. The Lumatek Twin digital ballast