The GLC series 20 Light HID Controller, plus four 120v outlets. NOW with numbered Universal outlets! Use your 120 or 240 volt power cord. Heavy duty relays, commercial style 30 amp breakers. Steel enclosure with key hole slots for easy installation. Take your grow room to the next level of light control. 20,000 watts @ 120v/240v can handle up to 80 amps of power.