Winner
11% OFF
£27.35
£30.59
Updated October 2026
Data from the official X-Sense and YoLink sites.
2026 verdict
Across the 2026 comparison, X-Sense Wi-Fi Carbon Monoxide Alarm earns the nod over YoLink Photoelectric Smoke Alarm on the strength of price, warranty, and screen.
It separates itself most clearly on price, warranty, and screen, while still looking better on Built-in light. The only strong reason to choose YoLink Photoelectric Smoke Alarm is if rating, battery life, and tests itself are more important to you than the overall verdict. That makes X-Sense Wi-Fi Carbon Monoxide Alarm the clearer recommendation in 2026.
Works with
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | X-Sense Wi-Fi Carbon Monoxide Alarm | YoLink Photoelectric Smoke Alarm | Winner |
|---|---|---|---|
| Price | £27.35 | $49.99 | X-Sense Wi-Fi Carbon Monoxide Alarm |
| Rating | 4.6 | 5.0 | YoLink Photoelectric Smoke Alarm |
| Warranty | 5 years | 2 years | X-Sense Wi-Fi Carbon Monoxide Alarm |
| Battery Life | 1 year | 5 years | YoLink Photoelectric Smoke Alarm |
| Screen | YES | NO | X-Sense Wi-Fi Carbon Monoxide Alarm |
| Built-in Light | YES | NO | X-Sense Wi-Fi Carbon Monoxide Alarm |
| Tests Itself | NO | YES | YoLink Photoelectric Smoke Alarm |
| Connectivity | 2.4 GHz WiFi | Other | Tie |
| Integrations | Home Assistant | Home Assistant | Tie |
| Sensors | CO | Smoke | Tie |
| Alerts | CO Alerts, Low Battery Alerts | Fire Alerts, Low Battery Alerts | Tie |
| Built-in Siren | YES | YES | Tie |
Winner
11% OFF
£27.35
£30.59
- + Price: £27.35
- + Warranty: 5 years
- + Screen: YES
- - Rating: 4.6 vs 5.0
- - Battery Life: 1 year vs 5 years
$49.99
- + Rating: 5.0
- + Battery Life: 5 years
- + Tests Itself: YES
- - Price: $49.99 vs £27.35
- - Warranty: 2 years vs 5 years
Frequently Asked Questions
Which is better overall: X-Sense Wi-Fi Carbon Monoxide Alarm or YoLink Photoelectric Smoke Alarm?
X-Sense Wi-Fi Carbon Monoxide Alarm has the stronger overall profile in this comparison, especially for price, warranty, and screen.
What is the biggest difference between X-Sense Wi-Fi Carbon Monoxide Alarm and YoLink Photoelectric Smoke Alarm?
Price is one of the clearest differences: X-Sense Wi-Fi Carbon Monoxide Alarm lists £27.35, while YoLink Photoelectric Smoke Alarm lists $49.99.
Which one looks better on price?
X-Sense Wi-Fi Carbon Monoxide Alarm is listed at £27.35, while YoLink Photoelectric Smoke Alarm is listed at $49.99. X-Sense Wi-Fi Carbon Monoxide Alarm (better spec).
Who should buy X-Sense Wi-Fi Carbon Monoxide Alarm?
Choose X-Sense Wi-Fi Carbon Monoxide Alarm 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 battery life and that matters more than price.
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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
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Smart Smoke Detector
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Smoke Alarm
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XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
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Smoke and CO Alarm HM-636THS
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Interconnected Smoke Alarm S1-R
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SD19-MN Interconnected Smart Smoke Alarm
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Matter Smoke Detector S1-TM
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Wi-Fi Smoke Alarm
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Smart Smoke & CO Detector with Ring
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Smoke Alarm HM-636PHS
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Smoke Alarm E10
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Interconnected CO Alarm C1-R
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SC5 Battery Smart Smoke & CO Alarm
- Air Quality Monitors
XR0A-iR Wi-Fi Radon Detector
- Hubs
SBS50 Base Station
- Motion Sensors
Solar Outdoor Spotlight - Motion-Sensor
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SC07-MR Smart Smoke & CO Alarm
- Smoke & CO Detectors
SD19-MN Interconnected Smart Smoke Alarm
- Smoke & CO Detectors
Wi-Fi CO Alarm
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Wi-Fi Smoke Alarm
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WiFi Smoke & CO Detector
- Smoke & CO Detectors
XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
- Smoke & CO Detectors
XP0J-iA Smart Hardwired Smoke & CO Alarm
- Temperature & Humidity Sensors
Smart WiFi Indoor Thermometer
- Temperature & Humidity Sensors
STH0B Smart Thermometer Hygrometer
- Water Leak Sensors
2-in-1 Wi-Fi Water Leak & Freeze Detector
- Water Leak Sensors
Wi-Fi Water Leak Detector
- 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