This Light Controller handles up to twenty four HID lights. The dual trigger cable splits the 24 lights into two banks of twelve lights each - great for control of two separate grow rooms. The customer must supply power by hardwiring up to a 120-amp circuit. Unit features twenty four standard 120v - 240v outlets, which customers plug their ballasts into.The controller also comes with two 16 foot, 120 volt trigger cables that plugs into any grounded 24-hour timers or controllers. Unit is rated for 120 amps 240 volts. Controller carries a 3-year warranty.