> ## Documentation Index
> Fetch the complete documentation index at: https://docs.comfy.org/llms.txt
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# KlingAvatarNode - ComfyUI Built-in Node Documentation

> Complete documentation for the KlingAvatarNode node in ComfyUI. Learn its inputs, outputs, parameters and usage.

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/KlingAvatarNode/en.md)

The Kling Avatar 2.0 node generates broadcast-style digital human videos from a single reference photo and an audio file. It creates a talking avatar video with an optional text prompt to define the avatar's actions, emotions, and camera movements.

## Inputs

| Parameter    | Data Type | Required | Range                | Description                                                                                                    |
| ------------ | --------- | -------- | -------------------- | -------------------------------------------------------------------------------------------------------------- |
| `image`      | IMAGE     | Yes      | -                    | Avatar reference image. Width and height must be at least 300px. Aspect ratio must be between 1:2.5 and 2.5:1. |
| `sound_file` | AUDIO     | Yes      | -                    | Audio input. Must be between 2 and 300 seconds in duration.                                                    |
| `mode`       | COMBO     | Yes      | `"std"`<br />`"pro"` | The generation mode to use.                                                                                    |
| `prompt`     | STRING    | No       | -                    | Optional prompt to define avatar actions, emotions, and camera movements. (default: empty string)              |
| `seed`       | INT       | Yes      | 0 to 2147483647      | Seed controls whether the node should re-run; results are non-deterministic regardless of seed. (default: 0)   |

**Note:** The `image` and `sound_file` inputs have specific validation requirements. The image must be at least 300x300 pixels with an aspect ratio between 1:2.5 and 2.5:1. The audio file must be between 2 and 300 seconds long.

## Outputs

| Output Name | Data Type | Description                        |
| ----------- | --------- | ---------------------------------- |
| `output`    | VIDEO     | The generated digital human video. |

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