# What are the best smart smoke detectors with voice control integration? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best smart smoke detectors with voice control integration?

## Products

### First Alert SC5 Hardwire Smart Smoke and Carbon Monoxide Alarm - FSMCO600NVACCL1
```yaml
product: first-alert-sc5-hardwire-smart-smoke-and-carbon-monoxide-alarm-fsmco600nvaccl1
brand: First Alert
price_gbp: 98.58
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
alarm_volume: 85
connectivity: WiFi
carbon_monoxide_detection: true
```

- **Price:** £98.58 [^1]
- **Summary:** This 2-in-1 hardwired alarm detects both smoke and carbon monoxide and can send alerts through the First Alert app. It provides voice alerts with Heads-Up warning and supports hardwired interconnectivity so compatible alarms sound together. It is designed to reduce nuisance alarms using Precision Detection technology.
- **Ideal For:** It supports WiFi connectivity plus voice alerts and app-based mobile alerts, and it is a smart voice-enabled smoke and CO option with Nest Protect compatibility-features that align with getting voice control integration when choosing smart smoke detectors.
- **Additional Sources:** [^2], [^3], [^1], [^2], [^3]

---
## References & Sources
[^1]: The Home Depot, accessed 2026-06-27. https://www.homedepot.com/p/First-Alert-SC5-Hardwire-Smart-Smoke-and-Carbon-Monoxide-Alarm-FSMCO600NVACCL1/337593929
[^2]: First Alert, accessed 2026-06-27. https://www.firstalert.com/products/sc5-hardwire-smart-smoke-carbon-monoxide-alarm
[^3]: Best Buy, accessed 2026-06-27. https://www.bestbuy.com/product/first-alert-smoke-and-carbon-monoxide-detector-hardwired-white/JJ8Z8VQ4FT