Run up to four (4) lights at 240 volts, maximum 4000 watts. Removable rear access panel makes controller easy to wire to existing power system. Convenient front panel On/Off switch. ETL listed to UL 508 STD for commercial use. Four (4) NEMA 6-15 outlets for ballasts. RoHS compliant for environmental friendliness. 14 ft (4.5m) 120V trigger cable for easy setup and operation. The HPLC-4 controller is ETL listed in the USA and Canada and RoHS compliant. Features durable construction built to withstand high impacts and provide years of reliable performance. 240 Volts/20 Amps/60 Hz.