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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 Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO)
A sourced, side-by-side comparison. Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO) is cheaper at $39. Every spec and price links to its source.
Ecolink
Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO)
$39Cheaper
Which is better: the Google Nest Protect (2nd Gen, Battery) or Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO)?
On the specs we track, they're closely matched. The Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO) is the cheaper at $39.
See Google Nest Protect (2nd Gen, Battery) on Amazon See Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO) on Amazon
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) | Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO) |
|---|---|---|
| US price | $119 | $39 |
| Brand | Ecolink | |
| Released | 2015 | — |
| Sensor type | split_spectrum | audio_listener |
| Detects co | Yes | Yes |
| Power | battery | battery |
| Interconnect | wireless | wireless |
| App alerts | Yes | Yes |
| Voice location alerts | Yes | No |
| Sensor life yr | 10 | — |
| Self test | Yes | No |
Sources — Google Nest Protect (2nd Gen, Battery): support.google.com (verified 2026-08-16). Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO): homecontrols.com (verified 2026-08-16).
What's the difference between the Google Nest Protect (2nd Gen, Battery) and Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO)?
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 Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO) audio_listener
- Voice location alerts: Google Nest Protect (2nd Gen, Battery) true vs Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO) false
- Self test: Google Nest Protect (2nd Gen, Battery) true vs Ecolink Z-Wave Plus FireFighter (FF-ZWAVE5-ECO) false