Fibaro Door / Window Sensor 2 vs Sonoff SenseGuard DW Gen2

Updated January 2026

Data from Amazon and official Fibaro and Sonoff sites.

2026 verdict

For this 2026 head-to-head, Sonoff SenseGuard DW Gen2 has the better all-around case. Its clearest strengths are battery life and integrations, and it still looks stronger on its broader overall balance. Choose Fibaro Door / Window Sensor 2 only if sensors and alerts matters more to you than the broader advantage from Sonoff SenseGuard DW Gen2. That keeps the verdict firmly in favor of Sonoff SenseGuard DW Gen2.

Fibaro Door / Window Sensor 2

$50.45

Winner

Price unavailable right now

Feature	Fibaro Door / Window Sensor 2	Sonoff SenseGuard DW Gen2	Winner
Battery Life	2 years	3 years	Sonoff SenseGuard DW Gen2
Integrations	Home Assistant	Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT	Sonoff SenseGuard DW Gen2
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, Tamper 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
- Battery Life: 2 years vs 3 years
- Integrations: Home Assistant vs Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT

Winner

Price unavailable right now

+ Battery Life: 3 years
+ Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT
- Sensors: Door & Window Open/Close vs Door & Window Open/Close, Temperature
- Alerts: Door & Window Open/Close Alerts, Tamper Alerts, Low Battery Alerts vs Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts

Which is better overall: Fibaro Door / Window Sensor 2 or Sonoff SenseGuard DW Gen2?: Sonoff SenseGuard DW Gen2 has the stronger overall profile in this comparison, especially for battery life and integrations.
What is the biggest difference between Fibaro Door / Window Sensor 2 and Sonoff SenseGuard DW Gen2?: Battery Life is one of the clearest differences: Fibaro Door / Window Sensor 2 lists 2 years, while Sonoff SenseGuard DW Gen2 lists 3 years.
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 battery life.
Who should buy Sonoff SenseGuard DW Gen2?: Choose Sonoff SenseGuard DW Gen2 if your priority is battery life and integrations and that matters more than sensors.