# seeonwall.com > Embeddable wall-preview tool for online poster and art-print shops. Shoppers see any poster rendered at true physical scale on a photo of their own wall — before they buy. Merchants add it with a single script tag; shoppers never install an app or create an account. Key facts: - Works on any e-commerce site via one `` to the site ``. 3. Add `
` on product pages. Dimensions state their own unit — `50cm`, `20in`, `11"`, or a paper format such as `a4`. A styled "See on wall" button is injected automatically; a JavaScript API (`SeeOnWall.open()`, `SeeOnWall.close()`, `SeeOnWall.setLanguage()`) is also available. ## Docs - [Documentation](https://seeonwall.com/docs): installation, button markup, JS API, localization, visitor journey, rate limits, session lifecycle, image requirements, allowed domains, CSP, SPA support, troubleshooting, staging environment, privacy/GDPR. - [Live demo](https://seeonwall.com/demo): try the full visualizer with sample posters, no account needed. - [Pricing](https://seeonwall.com/#pricing) ## Contact - Sales: sales@seeonwall.com