---
title: "Warning Square Icon | Free Download PNG & SVG | Core Neon"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--30560
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--30560"
summary: "Clean neon icon of a rounded square containing an exclamation mark. Used for alerts, warnings, and error states."
---

# Warning Square icon

The Warning Square icon shows a rounded square frame with a centered exclamation mark. Drawn in the neon style on a 14px grid with a 1px stroke, it keeps the simple symbol clear in compact interfaces. Use it for alerts, warnings, error states, validation messages, and notification panels. It belongs to Core Neon set in the Core family.

## Preview

![Clean neon icon of a rounded square containing an exclamation mark. Used for alerts, warnings, and error states.](https://assets.streamlinehq.com/image/private/w_64,h_64,ar_1/f_auto/v1/icons/core-neon/interface-essential/alerts/warning-square-uwlond13osnd769qttvus.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Core Neon](/icons/core-neon.md) — Core is timeless, like the Helvetica font or The Beatles. With its minimalist design and neutrality, it can adapt to any layout. The Neon style is especially effective in complex environments where quick recognition and hierarchy are essential. It also allows you to customize the line thickness. All Core Neon icons are designed on a 14px grid with a 1px default stroke and two customizable line colors.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Neon, Minimal, Stroke, Wireframe
- **Category**: Interface Essential › Alerts
- **Default size**: 14px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: warning, alert, exclamation, caution, square, lightswitch, toggle, electricity, on, off, wall, fixture, design, interior, power, button, switch, control, device, press

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--30560)

## Also available in other styles

- [Warning Square — Core Remix](/icons/download/warning-square--28879.md) (Pro)
- [Warning Square — Core Line](/icons/download/warning-square--23576.md) (Pro)
- [Warning Square — Core Solid](/icons/download/warning-square--23743.md) (Pro)
- [Warning Square — Core Gradient](/icons/download/warning-square--28316.md) (Pro)
- [Warning Square — Core Flat](/icons/download/warning-square--23994.md) (Pro)
- [Warning Square — Core Duo](/icons/download/warning-square--24076.md) (Pro)
- [Warning Square — Core Pop](/icons/download/warning-square--31462.md) (Pro)

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