> For the complete documentation index, see [llms.txt](https://docs.citadelwallet.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.citadelwallet.io/wallet-spec/mechanical-spec.md).

# Mechanical Spec

- [Dimensions](https://docs.citadelwallet.io/wallet-spec/mechanical-spec/dimensions.md)
- [Display](https://docs.citadelwallet.io/wallet-spec/mechanical-spec/display.md)
- [Touch](https://docs.citadelwallet.io/wallet-spec/mechanical-spec/touch.md)
- [Buttons](https://docs.citadelwallet.io/wallet-spec/mechanical-spec/buttons.md)