Updated January 2026
Data from Amazon and official Fibaro and Sonoff sites.
2026 verdict
In 2026, Sonoff DW2-WIFI stands out as the more complete option. It wins the broader comparison through price, rating, and connectivity, while integrations helps confirm the result. Fibaro Door / Window Sensor 2 can still be the right pick, but only if sensors and alerts outweighs the wider strengths of Sonoff DW2-WIFI. In practical terms, Sonoff DW2-WIFI is the easier product to recommend.
| Feature | Fibaro Door / Window Sensor 2 | Sonoff DW2-WIFI | Winner |
|---|---|---|---|
| Price | $50.45 | $12.23 | Sonoff DW2-WIFI |
| Rating | 3.7 | 3.9 | Sonoff DW2-WIFI |
| Connectivity | Z-Wave | 2.4 GHz Wifi, Bluetooth | Sonoff DW2-WIFI |
| Integrations | Home Assistant | Google Home, Alexa, Home Assistant, IFTTT | Sonoff DW2-WIFI |
| 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 |
$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 $12.23
- - Rating: 3.7 vs 3.9
Winner
$12.23
- + Price: $12.23
- + Rating: 3.9
- + Connectivity: 2.4 GHz Wifi, Bluetooth
- - 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 (FAQ)
- Which is better overall: Fibaro Door / Window Sensor 2 or Sonoff DW2-WIFI?
- Sonoff DW2-WIFI has the stronger overall profile in this comparison, especially for price, rating, and connectivity.
- What is the biggest difference between Fibaro Door / Window Sensor 2 and Sonoff DW2-WIFI?
- Price is one of the clearest differences: Fibaro Door / Window Sensor 2 lists $50.45, while Sonoff DW2-WIFI lists $12.23.
- Which one looks better on price?
- Fibaro Door / Window Sensor 2 is listed at $50.45, while Sonoff DW2-WIFI is listed at $12.23. Sonoff DW2-WIFI (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 DW2-WIFI?
- Choose Sonoff DW2-WIFI if your priority is price and rating and that matters more than sensors.
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