# What is the easiest to install smart smoke detector? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the easiest to install smart smoke detector?

## Products

### First Alert SC5 Smart Smoke & Carbon Monoxide Alarm (Battery) FSMCO600NVCL1
```yaml
product: first-alert-sc5-smart-smoke-carbon-monoxide-alarm-battery-fsmco600nvcl1
brand: First Alert
price_gbp: 98.75
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
alarm_volume: 85
connectivity: WiFi
carbon_monoxide_detection: 2-in-1 smoke/fire and carbon monoxide alarm
```

- **Price:** £98.75 [^1]
- **Summary:** The First Alert SC5 battery smart alarm combines smoke/fire detection and carbon monoxide detection in one unit. It sends voice and mobile alerts via WiFi and can interconnect with compatible First Alert and Google Nest Protect alarms so all compatible alarms sound together. It also includes end-of-life and low-battery notifications to reduce nuisance late-night chirps.
- **Ideal For:** It's battery-powered and has WiFi connection plus wireless interconnectivity, avoiding any hardwiring setup while still supporting smart/mobile alerts.
- **Additional Sources:** [^2], [^3], [^1], [^2], [^3]

---
## References & Sources
[^1]: First Alert, accessed 2026-06-25. https://www.firstalert.com/products/sc5-battery-smart-smoke-carbon-monoxide-alarm
[^2]: Home Depot, accessed 2026-06-25. https://www.homedepot.com/p/First-Alert-SC5-Battery-Smart-Smoke-and-Carbon-Monoxide-Alarm-FSMCO600NVCL1/337593875
[^3]: Best Buy, accessed 2026-06-25. https://www.bestbuy.com/product/first-alert-smoke-and-carbon-monoxide-detector-battery-powered-white/JJ8Z8VQ4FV