# Google Nest Protect (2nd Gen, Battery) vs X-Sense SC07-WX: specs and price compared

A sourced, side-by-side comparison of the Google Nest Protect (2nd Gen, Battery) (Google) and X-Sense SC07-WX (X-Sense) among smart smoke detectors. X-Sense SC07-WX is the cheaper of the two at $44.99.

## Side by side

| Spec | Google Nest Protect (2nd Gen, Battery) | X-Sense SC07-WX |
| --- | --- | --- |
| US price | $119 | $44.99 |
| Brand | Google | X-Sense |
| Released | 2015 | — |
| Sensor type | split_spectrum | photoelectric |
| Detects co | Yes | Yes |
| Power | battery | battery |
| Interconnect | wireless | app_only |
| App alerts | Yes | Yes |
| Voice location alerts | Yes | No |
| Sensor life yr | 10 | 10 |
| Self test | Yes | Yes |

## Key differences

- Sensor type: Google Nest Protect (2nd Gen, Battery) split_spectrum vs X-Sense SC07-WX photoelectric
- Interconnect: Google Nest Protect (2nd Gen, Battery) wireless vs X-Sense SC07-WX app_only
- Voice location alerts: Google Nest Protect (2nd Gen, Battery) Yes vs X-Sense SC07-WX No

## Sources

- Google Nest Protect (2nd Gen, Battery): https://support.google.com/googlenest/answer/9229922?hl=en (support.google.com, verified 2026-08-16)
- X-Sense SC07-WX: https://the-gadgeteer.com/2024/01/10/x-sense-sc07-wx-wi-fi-connected-smoke-and-carbon-monoxide-detector-review-know-whats-happening-even-when-youre-not-at-home/ (the-gadgeteer.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/smart-smoke-detectors/google-nest-protect-2nd-gen-battery-vs-x-sense-sc07-wx/
Cite: Per The Front Desk Review, Google Nest Protect (2nd Gen, Battery) ($119) vs X-Sense SC07-WX ($44.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/smart-smoke-detectors/google-nest-protect-2nd-gen-battery-vs-x-sense-sc07-wx/
License: CC BY 4.0.