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304# stainless Steel DC Brushless Motor CE Approved Optical Flap Barrier FJC-Z1138 Flap barriers are especially effective in areas where large numbers of people need to be monitored. With anti-tailgating sensor technology ranging from simple to sophisticated, they provide discreet control of the flow of visitors or employees when linked with access control systems. Flap barriers offer efficient traffic flow in two directions. It's stylish, illuminated angel wing barriers