# Value Flash

> An animated number readout that flashes green or red and rolls its digits up or down whenever the value changes, ideal for live metrics, prices, and counters.

- Author: [Özer](https://21st.dev/@ddoemonn)
- Library: [interior.dev](https://21st.dev/@ddoemonn/library/interior-dev)
- License: MIT
- Tags: Animated Number, Counter, Pricing
- npm dependencies: motion
- Live preview: https://21st.dev/@ddoemonn/components/value-flash

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/ddoemonn/value-flash?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/animated-number.md