# Flash Sale Banner

> This component is a clean, responsive flash sale banner with a live countdown timer, headline, description, and call-to-action button. It shows remaining days, hours, minutes, and seconds, adapts to light and dark themes, and can be dismissed with a close button.

- Author: [Ruixen UI](https://21st.dev/@ruixen.ui)
- Library: [Ruixen UI](https://21st.dev/@ruixen.ui/library/ruixen-ui)
- License: unknown
- npm dependencies: lucide-react
- Live preview: https://21st.dev/@ruixen.ui/components/flash-sale-banner

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/ruixen.ui/flash-sale-banner?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