This controller will run eight (8) HID lights at 240 volts. The only lighting controllers featuring industrial-grade Allen Bradley ballast rated relays. Plug relay trigger cord set into 24 hour wall timer. 3 screws in back panel makes timer easy to wire into your power system. Durable powder coated steel chassis. 40 Amps/240 Volts/60 Hz./8000 Watts. 3 year warranty.