This Master Light Controller handles up to eight HID lights, which can be controlled with the built-in timer. The customer must supply power by hardwiring up to a 50-amp circuit. The MLC-8XT has eight 120/240 volt style outlets which allows for running your ballasts at 120/240 volts without having to change out your ballast power cords.The controller also comes with a 16', 120 volt trigger cable that plugs into any grounded 24-hour timer or controller. Unit is rated for 50 amps 240 volts. Controller carries a 3-year warranty.