Provides high-security, automatic, vertical-pivot security gates up to 25 feet long and 12 feet tall. Equipped with multiple safety devices. UL 325 and CSA.247 listed. Low maintenance with 100 percent duty cycle, powered by AC or DC with battery backup. Operates with all management-software systems. The patented barrier design is built with 3.5- or 4-inch pipe for its bottom member and 1.25-inch square tube-sway braces, making it extremely strong.