# Kling 2.X Video Tool (https://docs.fuser.studio/docs/nodes/video/kling-2-x-video-tool)

_Provided by [Fal](https://fal.ai) — [Learn More](https://fal.ai/models/fal-ai/kling-video/v2.1/master/image-to-video)._

## Inputs [#inputs]

- **Prompt** (`textarea`) — The prompt to generate a video from.

- **Image Prompt** (`image`) — The image to generate a video from. This will be used as the first frame of the video.

   Optional: `true`

- **End Image** (`image`) — The image used as the last frame of the video. Only supported by the 2.1 Pro model.

   Optional: `true`

- **Negative Prompt** (`textarea`) — The negative prompt to guide against undesired results.

   Optional: `true`

- **Model** (`dropdown`) — The Kling 2.X model to use for video generation.

   Optional: `true` • Default: `2.5-turbo-pro` • Accepts: `flow.nodes.FalKling21VideoNode.inputs.model.items.2.6-pro`, `flow.nodes.FalKling21VideoNode.inputs.model.items.2.5-turbo-standard`, `flow.nodes.FalKling21VideoNode.inputs.model.items.2.5-turbo-pro`, `2.1 Standard`, `2.1 Pro`, `2.1 Master`

- **Aspect Ratio** (`dropdown`) — The aspect ratio of the generated video. This property is only supported for the Master model when using text to video mode.

   Optional: `true` • Default: `16:9` • Accepts: `16:9`, `9:16`, `1:1`

- **Duration** (`dropdown`) — The duration of the generated video in seconds.

   Optional: `true` • Default: `5` • Accepts: `5`, `10`

- **CFG Scale** (`slider`) — Classifier Free Guidance controls how closely the generated video adheres to the text prompt you provide. Accepts values between 0 and 1.

   Optional: `true` • Default: `0.5` • Minimum: `0` • Maximum: `1`

- **Generate Audio** (`toggle`) — Generate audio for the video. Available only for the 2.6 Pro model.

   Optional: `true` • Default: `false`

## Outputs [#outputs]

- **Generated Video** (`video`) — The generated video from the model.