This controller will run twenty-four (24) HID lights at 240 V. The only lighting controllers featuring industrial-grade ballast-rated relays. Premium quality timer with battery backup� keeps lighting schedule in the event of power failure (located on the bottom of unit). Sequenced lighting delays for each light bank. NEMA 6-15 UL Listed 240 VAC power outlets. 150 Amps input power/120 Amps output power/240 V/60 Hz/24,000 W.