Entry device with all essential functions in Siedle quality. Reduced, ergonomically optimized design with easy operation, clear symbols, and excellent acoustics. Intuitive, safe operation with just two distinctly different buttons. The button layout with sufficient spacing reduces operating errors, such as accidental door opening. Outstanding voice reproduction and high volume thanks to optimized acoustics. Automated commissioning (Plug and Play). Practical two-step installation: base plate with connection terminals can be pre-installed, final assembly without tools. Covers all common flush-mounted boxes without additional frame.