Heidemann Door Security & Furniture Bell button 619865 - Heidemann 70722, The Heidemann 70722 Bell button is a high-quality doorbell component designed for use with 24 V/1 A systems. It features dual bell buttons, making it suitable for installations requiring multiple access points. Typical applications include residential or office door entry systems. Heidemann 70722 Bell Button 2x24V/1A Single Unit
