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Smoke & CO Detectors · Head to head

Kidde Smart Smoke Alarm (P4010ACS-WF) vs YoLink Photoelectric Smoke Alarm

Full Smart Smoke & CO Detectors comparison in 2026

Updated September 2026
Data from Amazon and official Kidde and YoLink sites.
2026 verdict
Kidde Smart Smoke Alarm (P4010ACS-WF) is the more complete option versus YoLink Photoelectric Smoke Alarm in 2026, helped most by price, warranty, and battery life.
Kidde Smart Smoke Alarm (P4010ACS-WF)
Winner
Kidde Smart Smoke Alarm (P4010ACS-WF)
$40.79
Buy on Amazon USACheck price
It separates itself most clearly on price, warranty, and battery life, while still looking better on integrations. Pick YoLink Photoelectric Smoke Alarm only when rating is the deciding factor for your setup. That makes Kidde Smart Smoke Alarm (P4010ACS-WF) the clearer recommendation in 2026.
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FeatureKidde Smart Smoke Alarm (P4010ACS-WF)YoLink Photoelectric Smoke AlarmWinner
Price$40.79$49.99Kidde Smart Smoke Alarm (P4010ACS-WF)
Rating3.25.0YoLink Photoelectric Smoke Alarm
Warranty10 years2 yearsKidde Smart Smoke Alarm (P4010ACS-WF)
Battery Life10 years5 yearsKidde Smart Smoke Alarm (P4010ACS-WF)
IntegrationsGoogle Home, Alexa, Home AssistantAlexa, Home AssistantKidde Smart Smoke Alarm (P4010ACS-WF)
Connectivity2.4 GHz WiFiOtherTie
ScreenNONOTie
SensorsSmokeSmokeTie
AlertsFire Alerts, Low Battery AlertsFire Alerts, Low Battery AlertsTie
Built-in SirenYESYESTie
Built-in LightNONOTie
PathlightNONOTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Kidde Smart Smoke Alarm (P4010ACS-WF)
  • YoLink Photoelectric Smoke Alarm

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Frequently Asked Questions

Which is better overall: Kidde Smart Smoke Alarm (P4010ACS-WF) or YoLink Photoelectric Smoke Alarm?

Kidde Smart Smoke Alarm (P4010ACS-WF) has the stronger overall profile in this comparison, especially for price, warranty, and battery life.

What is the biggest difference between Kidde Smart Smoke Alarm (P4010ACS-WF) and YoLink Photoelectric Smoke Alarm?

Price is one of the clearest differences: Kidde Smart Smoke Alarm (P4010ACS-WF) lists $40.79, while YoLink Photoelectric Smoke Alarm lists $49.99.

Which one looks better on price?

Kidde Smart Smoke Alarm (P4010ACS-WF) is listed at $40.79, while YoLink Photoelectric Smoke Alarm is listed at $49.99. Kidde Smart Smoke Alarm (P4010ACS-WF) (better spec).

Who should buy Kidde Smart Smoke Alarm (P4010ACS-WF)?

Choose Kidde Smart Smoke Alarm (P4010ACS-WF) if your priority is price and warranty and that matters more than rating.

Who should buy YoLink Photoelectric Smoke Alarm?

Choose YoLink Photoelectric Smoke Alarm if your priority is rating and that matters more than price.

Full comparison table

Compare all 24 Smoke & CO Detectors side by side

You are looking at two of them. The full table lines up all Smoke & CO Detectors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 24 Smoke & CO Detectors
  • 44 specs compared
  • 41 filters
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24 smart smoke and CO detectors from 8 brands compared: X-Sense, First Alert, Kidde, Google Nest and more. Sensor types, interlink and alerts.

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