Nest Protect Has Different Backplates for Wired and Battery Versions - google - Product Notes
TEYOUYI Mounting Plate for The Google Nest Protect Gen2 Replacement Part for Google Nest Protect Gen2 Accessories for 2nd gen Nest Protect,White,Not Included:Nest Protect and Screws : Buy Online at Best Price
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Amazon.com: TEYOUYI Replacement Part Backplate for Google Nest Protect Gen2 Mounting Plate for Google Nest Protect Gen2 Accessory for 2nd gen Nest Protect,White,Not Included:Nest Protect and Rubber Inner Ring : Electronics
Google Nest Protect - Smoke Alarm and Carbon Monoxide Detector - Battery Operated S3000BWES - The Home Depot
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S10 Signaling Apparatus User Manual voltage Nest Labs
Nest Protect review: For $129, the best smoke detector on the market - CNET
Replacement Screws for Nano Nest, 1-1/8" (118NNSCREW) - Analytical Sales and Services, Inc.
Google Nest Protect - Smoke Alarm and Carbon Monoxide Detector - Battery Operated S3000BWES - The Home Depot