Featuring 4 different control settings, these digital ballasts can be used progressively to ensure the optimum performance at each stage of growing and can be used with both high pressure sodium or metal halide lamps.

Featuring an intelligent start up and soft-dimming facility Lumatek Controllable Ballasts run extremely efficiently generating much less heat than other conventional ballasts and run silently.

Features full circuit protection including open/short circuit, over temperature, over/low voltage, end of lamp life/rectification and EMI suppression.