Fibaro Door / Window Sensor 2 vs Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor comparison

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.

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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	3.8	Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor
Integrations	Samsung SmartThings, Home Assistant	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	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

Fibaro

Fibaro Door / Window Sensor 2

$50.45

Buy on Amazon USA

+ 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 3.8

Winner

Sonoff

Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor

$17.99

Buy on Amazon USA

+ Price: $17.99
+ Rating: 3.8
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- 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.

Full comparison table

Compare all 26 Door & Window Sensors side by side

You are looking at two of them. The full table lines up all Door & Window Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.