Winner
Updated October 2026
Data from the official First Alert and YoLink sites.
2026 verdict
For most buyers in 2026, First Alert SMCO410 Smoke Detector & CO Alarm is the safer pick over YoLink Photoelectric Smoke Alarm because of warranty, battery life, and integrations.
The main reason it wins is warranty, battery life, and integrations, and sensors and alerts strengthen that case. YoLink Photoelectric Smoke Alarm still makes sense if price, rating, and tests itself are your priority, but most buyers should still lean toward First Alert SMCO410 Smoke Detector & CO Alarm. As a general recommendation, First Alert SMCO410 Smoke Detector & CO Alarm comes out on top.
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| Feature | First Alert SMCO410 Smoke Detector & CO Alarm | YoLink Photoelectric Smoke Alarm | Winner |
|---|---|---|---|
| Price | $64.98 | $49.99 | YoLink Photoelectric Smoke Alarm |
| Rating | 3.6 | 5.0 | YoLink Photoelectric Smoke Alarm |
| Warranty | 10 years | 2 years | First Alert SMCO410 Smoke Detector & CO Alarm |
| Battery Life | 10 years | 5 years | First Alert SMCO410 Smoke Detector & CO Alarm |
| Integrations | Samsung SmartThings, Home Assistant | Home Assistant | First Alert SMCO410 Smoke Detector & CO Alarm |
| Sensors | Smoke, CO | Smoke | First Alert SMCO410 Smoke Detector & CO Alarm |
| Alerts | Fire Alerts, CO Alerts, Low Battery Alerts | Fire Alerts, Low Battery Alerts | First Alert SMCO410 Smoke Detector & CO Alarm |
| Tests Itself | NO | YES | YoLink Photoelectric Smoke Alarm |
| Steam Check | YES | NO | First Alert SMCO410 Smoke Detector & CO Alarm |
| Connectivity | Z-Wave | Other | Tie |
| Screen | NO | NO | Tie |
| Built-in Siren | YES | YES | Tie |
Winner
$64.98
- + Warranty: 10 years
- + Battery Life: 10 years
- + Integrations: Samsung SmartThings, Home Assistant
- - Price: $64.98 vs $49.99
- - Rating: 3.6 vs 5.0
$49.99
- + Price: $49.99
- + Rating: 5.0
- + Tests Itself: YES
- - Warranty: 2 years vs 10 years
- - Battery Life: 5 years vs 10 years
Frequently Asked Questions
Which is better overall: First Alert SMCO410 Smoke Detector & CO Alarm or YoLink Photoelectric Smoke Alarm?
First Alert SMCO410 Smoke Detector & CO Alarm has the stronger overall profile in this comparison, especially for warranty, battery life, and integrations.
What is the biggest difference between First Alert SMCO410 Smoke Detector & CO Alarm and YoLink Photoelectric Smoke Alarm?
Price is one of the clearest differences: First Alert SMCO410 Smoke Detector & CO Alarm lists $64.98, while YoLink Photoelectric Smoke Alarm lists $49.99.
Which one looks better on price?
First Alert SMCO410 Smoke Detector & CO Alarm is listed at $64.98, while YoLink Photoelectric Smoke Alarm is listed at $49.99. YoLink Photoelectric Smoke Alarm (better spec).
Who should buy First Alert SMCO410 Smoke Detector & CO Alarm?
Choose First Alert SMCO410 Smoke Detector & CO Alarm if your priority is warranty and battery life and that matters more than price.
Who should buy YoLink Photoelectric Smoke Alarm?
Choose YoLink Photoelectric Smoke Alarm if your priority is price and rating and that matters more than warranty.
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Compare all 27 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.
- 27 Smoke & CO Detectors
- 44 specs compared
- 41 filters
- Smoke & CO Detectors
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Nest Protect (Battery)
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Smart Smoke Detector
- Smoke & CO Detectors
Smoke Alarm
- Smoke & CO Detectors
XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
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Smoke and CO Alarm HM-636THS
- Smoke & CO Detectors
Interconnected Smoke Alarm S1-R
- Smoke & CO Detectors
SD19-MN Interconnected Smart Smoke Alarm
- Smoke & CO Detectors
Matter Smoke Detector S1-TM
- Smoke & CO Detectors
Wi-Fi Smoke Alarm
- Smoke & CO Detectors
Smart Smoke & CO Detector with Ring
- Smoke & CO Detectors
Smoke Alarm HM-636PHS
- Smoke & CO Detectors
Smoke Alarm E10
- Smoke & CO Detectors
Interconnected CO Alarm C1-R
- Smoke & CO Detectors
SC5 Battery Smart Smoke & CO Alarm
- Cameras
Uno
- Door & Window Sensors
LoRa Smart Outdoor Contact Sensor
- Door & Window Sensors
Solar Outdoor Door Sensor
- Hubs
Hub
- Motion Sensors
Indoor Motion Sensor RT
- Motion Sensors
LoRa 1/4 Mile Motion Sensor
- Plugs
Mini Plug
- Plugs
Smart Outdoor Energy Plug
- Smoke & CO Detectors
Photoelectric Smoke Alarm
- Temperature & Humidity Sensors
Smart Wireless Thermometer Hygrometer
- Water Leak Sensors
Water Leak Sensor 1
- Water Leak Sensors
Water Leak Sensor 4
- Water Shutoff Valves
FlowSmart All-in-One Water Meter & Shutoff
- Water Shutoff Valves
Valve Controller 2 with EVO Valve Operator
- Water Timers
Smart Sprinkler Timer