This Light Controller handles up to eight HID lights.The customer must supply power by hardwiring up to a 40-amp circuit. Includes built-in 24 hour timer. Unit features eight standard 120v - 240v 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 40 amps 240 volts. Controller carries a 3-year warranty.