{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "google-nest-protect-2nd-gen",
 "name": "Google Nest Protect smoke + CO alarm (2nd gen)",
 "kind": "modern",
 "category": "Electronics",
 "group": "Smart home devices",
 "year": null,
 "question": "What are the dimensions of the Nest Protect (2nd gen)?",
 "tags": [
  "smart home devices"
 ],
 "aliases": [
  "Nest Protect (2nd gen) dimensions",
  "Nest Protect (2nd gen) size",
  "Nest Protect (2nd gen) size in mm",
  "Nest Protect (2nd gen) size in inches",
  "Nest Protect (2nd gen) measurements",
  "how big is the Nest Protect (2nd gen)",
  "Nest Protect (2nd gen) weight",
  "dimensiones Nest Protect (2nd gen)",
  "medidas Nest Protect (2nd gen)",
  "Nest Protect (2nd gen) Maße"
 ],
 "overall_mm": {
  "length": 134,
  "width": 134,
  "height": 38.5
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/google-nest-protect-2nd-gen/",
 "sheet_txt": "https://xemstudio.com/objects/google-nest-protect-2nd-gen/sheet.txt",
 "sheet": {
  "basis": "Manufacturer specifications (Google)",
  "overall_mm": {
   "length": 134,
   "width": 134,
   "height": 38.5
  },
  "notes": [
   "Google Nest Protect smoke + CO alarm (2nd gen) measures 134 × 134 × 38.5 mm (5.3 × 5.3 × 1.5 in) according to Google; height × width × depth of the alarm as published by Google (13.4 × 13.4 × 3.85 cm).",
   "Google lists one size for the 2nd gen alarm (battery entry); the wired model has no separate size entry.",
   "No CAD file: the maker publishes only overall sizes, and a plain box or cylinder is not useful design geometry. The table is the published data; parts with real geometry have their own pages."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Height",
     "134 mm (5.3 in)"
    ],
    [
     "Width",
     "134 mm (5.3 in)"
    ],
    [
     "Depth",
     "38.5 mm (1.5 in)"
    ],
    [
     "Weight",
     "379 g (13.9 oz) battery model; 375 g (13.2 oz) wired model"
    ]
   ]
  }
 },
 "sheet_text": "Google Nest Protect smoke + CO alarm (2nd gen) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/google-nest-protect-2nd-gen/  (sheet CC BY 4.0)\nBasis: Manufacturer specifications (Google)\nCatalog version: 2026-10-20\n\nOverall (mm): length 134, width 134, height 38.5\n- Google Nest Protect smoke + CO alarm (2nd gen) measures 134 × 134 × 38.5 mm (5.3 × 5.3 × 1.5 in) according to Google; height × width × depth of the alarm as published by Google (13.4 × 13.4 × 3.85 cm).\n- Google lists one size for the 2nd gen alarm (battery entry); the wired model has no separate size entry.\n- 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.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n\ndimension  value\nHeight  134 mm (5.3 in)\nWidth  134 mm (5.3 in)\nDepth  38.5 mm (1.5 in)\nWeight  379 g (13.9 oz) battery model; 375 g (13.2 oz) wired model\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Google: Nest Protect technical specifications - Google Home and Nest Help — web — Publisher's page; dimensions are facts — https://support.google.com/googlehome/answer/9229922?hl=en\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/google-nest-protect-2nd-gen/index.json\nAPI: https://xemstudio.com/api/geometry?object=google-nest-protect-2nd-gen\n",
 "sources": [
  {
   "publisher": "Google",
   "title": "Nest Protect technical specifications - Google Home and Nest Help",
   "url": "https://support.google.com/googlehome/answer/9229922?hl=en",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "google-nest-thermostat-2020",
  "google-nest-cam-with-floodlight",
  "google-nest-cam-indoor-wired-2nd-gen",
  "google-nest-cam-indoor-1st-gen",
  "google-nest-cam-iq-indoor"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "How big is the Nest Protect (2nd gen)?",
   "a": "Height 134 mm, width 134 mm, depth 38.5 mm (5.3 × 5.3 × 1.5 in)."
  },
  {
   "q": "How much does the Nest Protect (2nd gen) weigh?",
   "a": "379 g (13.9 oz) battery model; 375 g (13.2 oz) wired model, per Google."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/google-nest-protect-2nd-gen/index.md"
}