24V DC / 300W SELF-LOCKING electromechanical gearmotors (protection grade IP54), built in control panel, adjustable balancing system, frame galvanised sheet metal with RAL 2004 polyester enamel finish or brushed stainless steel, base plate and brackets for floor installation, release system with key interchangeable within the CAME system, 24V - 230V power supply connections for installation of selector switches, photoelectric cells, radio controls, flashing lights and standby batteries, adjustable movement and approach speeds, minimum opening time of 4-5 seconds, connections for pre-opening and pre-closing flashing light, amperometric obstacle detection system in opening and closing.