# Google Nest Protect (2nd Gen, Wired): specs and price

**Price (US):** $119 at support.google.com (Google Store MSRP (S3003LWES); same $119 list as the battery variant. Store spec page consent-gated during verification.), as of 2026-08-16. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 5 smart smoke detectors we track it is the most expensive; category median $89.97.
**Brand:** Google
**Released:** 2015

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $119 |
| Brand | Google |
| Released | 2015 |
| Sensor type | split_spectrum |
| Detects co | Yes |
| Power | hardwired |
| Interconnect | wireless |
| App alerts | Yes |
| Voice location alerts | Yes |
| Sensor life yr | 10 |
| Self test | Yes |

## Where it stands

At $119, the Google Nest Protect (2nd Gen, Wired) is the most expensive of the 5 smart smoke detectors we track, where the median is $89.97. On the spec sheet, its sensor life yr of 10 is at the median of the 8. By release date, it is the oldest of the 4 we date.

## Frequently asked questions

**How much does the Google Nest Protect (2nd Gen, Wired) cost?**

The Google Nest Protect (2nd Gen, Wired) has a US price of $119 (Google Store MSRP (S3003LWES); same $119 list as the battery variant. Store spec page consent-gated during verification.), as of 2026-08-16.

**How does the Google Nest Protect (2nd Gen, Wired) compare on price?**

At $119, the Google Nest Protect (2nd Gen, Wired) is the most expensive of the 5 smart smoke detectors we track, where the median is $89.97.

**When was the Google Nest Protect (2nd Gen, Wired) released?**

The Google Nest Protect (2nd Gen, Wired) was released 2015.

**What are the Google Nest Protect (2nd Gen, Wired)'s key specs?**

Google Nest Protect (2nd Gen, Wired) (Google): sensor type split_spectrum, detects co Yes, power hardwired, interconnect wireless, app alerts Yes. Full sourced spec sheet verified 2026-08-16.

Source: https://support.google.com/googlenest/answer/9229922?hl=en (support.google.com, accessed 2026-08-16)
Corroboration: https://store.google.com/config/nest_protect_2nd_gen?hl=en-US (accessed 2026-08-16)
Canonical: https://frontdeskreview.com/product/smart-smoke-detectors/google-nest-protect-2nd-gen-wired/
Cite: Per The Front Desk Review, the Google Nest Protect (2nd Gen, Wired) price of record was $119 as of 2026-08-16 — https://frontdeskreview.com/product/smart-smoke-detectors/google-nest-protect-2nd-gen-wired/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl