Library › Electronics › Google Nest Protect smoke + CO alarm

google-nest-protect-2nd-gen-envelope

Envelope 134 × 134 × 38.5 mm (height × width × depth of the alarm as published by Google (13.4 × 13.4 × 3.85 cm))

Exact dimensions. True size, no printing tolerance added.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

dimensionHeight
value134 mm (5.3 in)
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

From the full sheet

Google Nest Protect smoke + CO alarm (2nd gen): every size, notes, mating features and sources. What are the dimensions of the Nest Protect (2nd gen)?