This Light Controller handles up to four HID lights.The customer must supply power by hardwiring up to a 30-amp circuit. Unit features four standard 120 - 240-volt outlets, which customers plug their ballasts into.The controller also comes with a 16 foot, 120 volt trigger cable that plugs into any grounded 24-hour timer or controller. Unit is rated for 30 amps 240 volts. Controller carries a 3-year warranty.