The KTB-2 A Bell panel from m-e GmbH modern-electronics features a nameplate and comes in anthracite, operating on 12 V/1 A power. It's a robust doorbell button suitable for residential or commercial entrances. Ideal for enhancing accessibility, it allows clear identification and notification for visitors. https://elecena.pl/product/28918399/m-e-ktb-2-a-bell-panel-anthracite-12v-light-sensor-nameplate-changeable 2025-06-07 https://elecena.pl/product/28918399/m-e-ktb-2-a-bell-panel-anthracite-12v-light-sensor-nameplate-changeable 2026-08-23