The button set (On/Off, Toe) from Ritto is an essential accessory for building security, specifically designed for models 1793020 and 1793040. This replacement part enables reliable control of doorbell and intercom systems, thereby contributing to the safety and functionality of buildings. Made in Germany, the button set ensures high quality and durability. The item is delivered as a single piece and is suitable for use in various security applications. The exact material designation is listed as "Other," indicating a robust and versatile construction. The button set is a practical addition that allows for easy installation and use, enhancing safety and comfort in residential and commercial buildings. With this product, users can efficiently manage their door communication systems.