This controller will run four (4) HID lights at 240 V. The only lighting controllers featuring industrial-grade ballast-rated relays. Plug relay trigger cord into 24 hr wall timer to run your lights. Universal outlets allow total flexibility. Enclosure resists dust, rust and moisture. 30 Amps input power/20 Amps output power/ 240 V/ 60 Hz/ 4000 W.