Viking F1 Main Power Source - 120/220VAC Single Phase Battery - 7 Amp hr 12VDC x 2  Max Gate Weight - 1200lbs / 12' OR 800lbs / 16' Max Operating Speed - 13 to 16 seconds per 90 degrees Max Duty Cycle - 100% continuous duty  Operating Temperature - -4 degrees F to +150 degrees F 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.