The Heidemann 70180 bell button is a white doorbell designed for use with a 24 V/1 A power supply. Manufactured by Heidemann, it features durability and simple design suitable for residential or small office entry systems. This bell button is typically used to alert occupants of visitors at the door. https://elecena.pl/product/28930471/heidemann-70180-bell-button-white-24v-1a-durable-single-button 2025-06-10 https://elecena.pl/product/28930471/heidemann-70180-bell-button-white-24v-1a-durable-single-button 2025-07-19