Data from Amazon and official Kidde and YoLink sites.
2026 verdict
YoLink Photoelectric Smoke Alarm is the more complete option versus Kidde Smart Smoke Alarm (P4010ACS-WF) in 2026, helped most by rating, integrations, and tests itself. It separates itself most clearly on rating, integrations, and tests itself, while still looking better on its broader overall balance. Pick Kidde Smart Smoke Alarm (P4010ACS-WF) only when price, warranty, and battery life are the deciding factor for your setup. That makes YoLink Photoelectric Smoke Alarm the clearer recommendation in 2026.
| Feature | Kidde Smart Smoke Alarm (P4010ACS-WF) | YoLink Photoelectric Smoke Alarm | Winner |
|---|---|---|---|
| Price | $40.79 | $49.99 | Kidde Smart Smoke Alarm (P4010ACS-WF) |
| Rating | 3.3 | 5.0 | YoLink Photoelectric Smoke Alarm |
| Warranty | 10 years | 2 years | Kidde Smart Smoke Alarm (P4010ACS-WF) |
| Battery Life | 10 years | 5 years | Kidde Smart Smoke Alarm (P4010ACS-WF) |
| Integrations | Google Home, Alexa | Alexa, Home Assistant, IFTTT | YoLink Photoelectric Smoke Alarm |
| Tests Itself | NO | YES | YoLink Photoelectric Smoke Alarm |
| Connectivity | 2.4 GHz WiFi | Other | Tie |
| Screen | NO | NO | Tie |
| Sensors | Smoke | Smoke | Tie |
| Alerts | Fire Alerts, Low Battery Alerts | Fire Alerts, Low Battery Alerts | Tie |
| Built-in Siren | YES | YES | Tie |
| Built-in Light | NO | NO | Tie |
- + Price: $40.79
- + Warranty: 10 years
- + Battery Life: 10 years
- - Rating: 3.3 vs 5.0
- - Integrations: Google Home, Alexa vs Alexa, Home Assistant, IFTTT
Winner
$49.99
- + Rating: 5.0
- + Integrations: Alexa, Home Assistant, IFTTT
- + Tests Itself: YES
- - Price: $49.99 vs $40.79
- - Warranty: 2 years vs 10 years
Frequently Asked Questions
Which is better overall: Kidde Smart Smoke Alarm (P4010ACS-WF) or YoLink Photoelectric Smoke Alarm?
YoLink Photoelectric Smoke Alarm has the stronger overall profile in this comparison, especially for rating, integrations, and tests itself.
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 integrations and that matters more than price.
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