--- title: "Product Overview" slug: "product-overview-20" updated: 2025-01-06T08:26:44Z published: 2025-01-16T07:55:57Z canonical: "knowledge.akuvox.com/product-overview-20" --- > ## Documentation Index > Fetch the complete documentation index at: https://knowledge.akuvox.com/llms.txt > Use this file to discover all available pages before exploring further. # Product Overview It can be connected to the Akuvox door phone for audio/video communication, unlocking, and monitoring. Residents can communicate with visitors via audio/video calls, and it supports unlocking the door remotely. It is more convenient and safer for residents to check the visitor's identity through its video preview function. C313 series are often applied to scenarios such as villas, apartments, and buildings. ![图片.png](https://cdn.document360.io/f09a6106-e976-455e-b2d0-3d88b5385960/Images/Documentation/%E5%9B%BE%E7%89%87-IBK4AH6V.png)