High-end residential area access control, press that button is the property.

Words such as "property" or "customer service". According to relevant information, the access control system of high-grade residential areas will have special property buttons for owners or residents to send requests or reflect problems to the property service center. This button is generally marked with the words "property" or "customer service", which may be located on the operation panel of the access control machine or in a conspicuous position nearby.