---
title: "About This Manual"
slug: "about-this-manual-47"
updated: 2025-12-30T09:47:52Z
published: 2025-12-30T09:47:52Z
canonical: "knowledge.akuvox.com/about-this-manual-47"
---

> ## 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.

# About This Manual

![](https://cdn.document360.io/f09a6106-e976-455e-b2d0-3d88b5385960/Images/Documentation/Akuvox-Video-Intercom-KIT-User-Guide-R20A-C313-Admin-Guide用户指南-EN(1).jpg)

Thank you for choosing the Akuvox 2-wire devices.

This manual is intended for end users who need to set up devices easily. This manual is written based on firmware **212.87.15.115 of the C313W-2**, which works with R20A-2 or E12S-2. It provides instructions for configuring basic features.

The main features supported by the products are as follows:

- Support visual intercom and remote unlocking.
- Support real-time surveillance of the door phone.
- Support remote visual calls, unlocking, and monitoring of the door phone via the SmartPlus App when devices are connected to the SmartPlus Cloud.

## Related

- [C313-2 Series Quick Guide](/akuvox-c313x-2-series-quick-guide.md)