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Google Nest Protect (2nd Gen, Battery)
$119
Released 2015
Best Smart Smoke Detectors · head-to-head
Google Nest Protect (2nd Gen, Battery) vs X-Sense SC07-WX
A sourced, side-by-side comparison. X-Sense SC07-WX is cheaper at $44.99. Every spec and price links to its source.
X-Sense
X-Sense SC07-WX
$44.99Cheaper
Which is better: the Google Nest Protect (2nd Gen, Battery) or X-Sense SC07-WX?
On the specs we track, they're closely matched. The X-Sense SC07-WX is the cheaper at $44.99.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Google Nest Protect (2nd Gen, Battery) | X-Sense SC07-WX |
|---|---|---|
| US price | $119 | $44.99 |
| Brand | 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 |
Sources — Google Nest Protect (2nd Gen, Battery): support.google.com (verified 2026-08-16). X-Sense SC07-WX: the-gadgeteer.com (verified 2026-08-16).
What's the difference between the Google Nest Protect (2nd Gen, Battery) and X-Sense SC07-WX?
Where the two actually differ on the specs we track (3 of 8). Matching specs are omitted.
- 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) true vs X-Sense SC07-WX false