Fully compliant with applicable European directives, CE marked and protected by patent. The mobile barrier Otto Pi Automatica consists of a rotating piece housing all electro-mechanical equipment, and a mobile furnishing item comprising a carriage with a barrier decorated with geometric designs, which are connected together by means of a movement mechanism including also the wheel housed under the carriage itself. The barrier is supplied with an autonomous acoustic and luminous alarm, an automatic opening system upon power failure, and a manual emergency release. The standard version operates with radio control, but it can be fitted with other control systems if the customer so requires. The steel structure has been treated with anti-corrosion protection with hot dip galvanising, and oven-fire painted with polyester paints for outdoor use.