Google · Updated August 2026
Google Nest Protect (2nd Gen, Wired): price, specs & release date
Google Nest Protect (2nd Gen, Wired), released 2015. Every price and spec below is linked to its source and dated — no guesses.
Source: support.google.com verified ✓ corroborated verify in ledger
Is the Google Nest Protect (2nd Gen, Wired) a good buy?
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.
Specifications
| Price (US) | $119 Google Store MSRP (S3003LWES); same $119 list as the battery variant. Store spec page consent-gated during verification. |
|---|---|
| Brand | |
| 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 |
Source: support.google.com (verified 2026-08-16) · corroborated by store.google.com. Same sensor platform as the battery model; runs on 120V AC with 3 AA backup batteries per Google's spec page (802.15.4 wireless interconnect, 10-year CO sensor). Price kept as canonical $119 (store page consent-gated).
Is the Google Nest Protect (2nd Gen, Wired) worth it vs cheaper smart smoke detectors?
Google Nest Protect (2nd Gen, Wired) against its closest cheaper and pricier smart smoke detectors on the specs that matter — every value sourced. See all 5 ranked
| Product | Price | Sensor type | Detects co | Power | Interconnect | App alerts |
|---|---|---|---|---|---|---|
| Google Nest Protect (2nd Gen, Wired) this | $119 | split_spectrum | Yes | hardwired | wireless | Yes |
| Kidde P4010ACSCO-WF | $89.97 | photoelectric | Yes | hardwired | wired | Yes |
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.
Price of record: $119 at support.google.com, 2026-08-16. Other retailers may be lower — check the current price:
See Google Nest Protect (2nd Gen, Wired) on Amazon As an Amazon Associate we earn from qualifying purchases.Similar smart smoke detectors
Nearest in price — swipe to browse. Every pick sourced and dated.
All smart smoke detectors ranked · Open data & methodology · Queryable via MCP