Viking K2 Sliding Gate Opener Operational Voltage 24 DC --------- Main Power Source 115 / 230 AC Single Phase Battery Backup 100 Full Continuous ----- Duty Cycle(700 lbs) 24 AC/DC Solar Compatible ----- Battery 12 DC x 2 included Note: The Per UL325-2016 all gate operators sold in the USA after February 2016 will be required to have a monitored safety photo cell to prevent accidental crushing or entrapment. Max Gate Capacity 700 lbs. / 30' ------- Max Operating Speed 12" per Second