# Nest Protect smoke + CO alarm (1st gen)

> What are the dimensions of the Nest Protect (1st gen)?

- Category: Electronics › Smart home devices
- Kind: Modern device
- Basis: Manufacturer specifications (Google)
- Page: https://xemstudio.com/objects/google-nest-protect-1st-gen/ · JSON: https://xemstudio.com/api/geometry?object=google-nest-protect-1st-gen · Plain text: https://xemstudio.com/objects/google-nest-protect-1st-gen/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 134 | 134 | 41 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Nest Protect smoke + CO alarm (1st gen) measures 134 × 134 × 41 mm (5.28 × 5.28 × 1.63 in) according to Google; height × width × depth of the alarm as published by Google (13.4 × 13.4 × 4.1 cm).
- The file is a plain bounding box at the published size: the rounded-square body, centre button, light ring and mounting plate are not modelled.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

## Sizes

| dimension | value |
|---|---|
| Height | 134 mm (5.28 in) |
| Width | 134 mm (5.28 in) |
| Depth | 41 mm (1.63 in) |
| Weight | 372 g (13.1 oz) battery model; 352 g (12.4 oz) wired 120V model |

## Where the files are

- Google: [Nest Protect technical specifications - Google Home and Nest Help](https://support.google.com/googlehome/answer/9229922?hl=en) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/google-nest-protect-1st-gen/index.json

- google-nest-protect-1st-gen-envelope: [STEP](https://xemstudio.com/files/hardware/google-nest-protect-1st-gen/google-nest-protect-1st-gen-envelope.step) · [STL](https://xemstudio.com/files/hardware/google-nest-protect-1st-gen/google-nest-protect-1st-gen-envelope.stl) — Envelope 134 × 134 × 41 mm (height × width × depth of the alarm as published by Google (13.4 × 13.4 × 4.1 cm))

## Questions

**How big is the Nest Protect (1st gen)?**

Height 134 mm, width 134 mm, depth 41 mm (5.28 × 5.28 × 1.63 in).

**How much does the Nest Protect (1st gen) weigh?**

372 g (13.1 oz) battery model; 352 g (12.4 oz) wired 120V model, per Google.

## Fits with

- [Google Nest Cam with floodlight (floodlight unit)](https://xemstudio.com/objects/google-nest-cam-with-floodlight/)
- [Google Nest Cam (indoor, wired, 2nd gen, 2021)](https://xemstudio.com/objects/google-nest-cam-indoor-wired-2nd-gen/)
- [Nest Cam Indoor (original, 2015)](https://xemstudio.com/objects/google-nest-cam-indoor-1st-gen/)
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