Viking G5 Dual Gates Main Power Source 120 / 220 VAC Single Phase -- Battery 7 AmpHr 12 VDC x 2 included Battery Backup Operation 400 Full Cycles (600 lbs. / 12' gate) Max Gate Weight 700 lbs --- Max Gate Length 16 Feet 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 Operating Speed 16-18 seconds per 90