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.