Updated January 2026
Data from Amazon and official Fibaro and Sonoff sites.
2026 verdict
Across the 2026 comparison, Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor earns the nod over Fibaro Door / Window Sensor 2 on the strength of price, rating, and integrations. It wins the broader comparison through price, rating, and integrations, while its broader overall balance helps confirm the result. The only strong reason to choose Fibaro Door / Window Sensor 2 is if sensors and alerts are more important to you than the overall verdict. As a general recommendation, Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor comes out on top.
vs
Winner
| Feature | Fibaro Door / Window Sensor 2 | Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor | Winner |
|---|---|---|---|
| Price | $50.45 | $17.99 | Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor |
| Rating | 3.6 | 3.7 | Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor |
| Integrations | Home Assistant | Google Home, Alexa, Home Assistant, IFTTT | Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor |
| Sensors | Door & Window Open/Close, Temperature | Door & Window Open/Close | Fibaro Door / Window Sensor 2 |
| Alerts | Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts | Door & Window Open/Close Alerts, Low Battery Alerts | Fibaro Door / Window Sensor 2 |
| Warranty | 1 year | 1 year | Tie |
| Weather Resistance | NO | NO | Tie |
| Connectivity | Z-Wave | Zigbee | Tie |
$50.45
- + Sensors: Door & Window Open/Close, Temperature
- + Alerts: Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts
- - Price: $50.45 vs $17.99
- - Rating: 3.6 vs 3.7
Winner
- + Price: $17.99
- + Rating: 3.7
- + Integrations: Google Home, Alexa, Home Assistant, IFTTT
- - Sensors: Door & Window Open/Close vs Door & Window Open/Close, Temperature
- - Alerts: Door & Window Open/Close Alerts, Low Battery Alerts vs Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts
Frequently Asked Questions
Which is better overall: Fibaro Door / Window Sensor 2 or Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor?
Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor has the stronger overall profile in this comparison, especially for price, rating, and integrations.
What is the biggest difference between Fibaro Door / Window Sensor 2 and Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor?
Price is one of the clearest differences: Fibaro Door / Window Sensor 2 lists $50.45, while Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor lists $17.99.
Which one looks better on price?
Fibaro Door / Window Sensor 2 is listed at $50.45, while Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor is listed at $17.99. Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor (better spec).
Who should buy Fibaro Door / Window Sensor 2?
Choose Fibaro Door / Window Sensor 2 if your priority is sensors and alerts and that matters more than price.
Who should buy Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor?
Choose Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor if your priority is price and rating and that matters more than sensors.
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