Established in 1936, effeff is the market leader in the field of door control systems. Since starting the electric strike production in 1947, a comprehensive product range has gradually developed, which enables effeff to offer suitable solutions for every door. With worldwide sales activities in more than 75 countries, effeff, the expert for electromechanical security, is a reliable and competent partner in all areas. Whatever you want to safeguard, protect, preserve - effeff offers the right solution.