Updated January 2026
Data from Amazon and official Fibaro and Sonoff sites.
2026 verdict
Sonoff SNZB-04P ZigBee Door/Window Sensor is the more complete option versus Fibaro Door / Window Sensor 2 in 2026, helped most by price, rating, and battery life.
The main reason it wins is price, rating, and battery life, and integrations strengthen that case. Pick Fibaro Door / Window Sensor 2 only when sensors and alerts are the deciding factor for your setup. For the average buyer, Sonoff SNZB-04P ZigBee Door/Window Sensor is the safer choice.
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| Feature | Fibaro Door / Window Sensor 2 | Sonoff SNZB-04P ZigBee Door/Window Sensor | Winner |
|---|---|---|---|
| Price | $50.45 | $18.99 | Sonoff SNZB-04P ZigBee Door/Window Sensor |
| Rating | 3.6 | 4.0 | Sonoff SNZB-04P ZigBee Door/Window Sensor |
| Battery Life | 2 years | 5 years | Sonoff SNZB-04P ZigBee Door/Window Sensor |
| Integrations | Samsung SmartThings, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Sonoff SNZB-04P ZigBee 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, 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 |
- + Sensors: Door & Window Open/Close, Temperature
- + Alerts: Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts
- - Price: $50.45 vs $18.99
- - Rating: 3.6 vs 4.0
Winner
- + Price: $18.99
- + Rating: 4.0
- + Battery Life: 5 years
- - 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
Frequently Asked Questions
Which is better overall: Fibaro Door / Window Sensor 2 or Sonoff SNZB-04P ZigBee Door/Window Sensor?
Sonoff SNZB-04P ZigBee Door/Window Sensor has the stronger overall profile in this comparison, especially for price, rating, and battery life.
What is the biggest difference between Fibaro Door / Window Sensor 2 and Sonoff SNZB-04P ZigBee Door/Window Sensor?
Price is one of the clearest differences: Fibaro Door / Window Sensor 2 lists $50.45, while Sonoff SNZB-04P ZigBee Door/Window Sensor lists $18.99.
Which one looks better on price?
Fibaro Door / Window Sensor 2 is listed at $50.45, while Sonoff SNZB-04P ZigBee Door/Window Sensor is listed at $18.99. Sonoff SNZB-04P ZigBee 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-04P ZigBee Door/Window Sensor?
Choose Sonoff SNZB-04P ZigBee Door/Window Sensor if your priority is price and rating and that matters more than sensors.
Full comparison table
Compare all 27 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.
- 27 Door & Window Sensors
- 40 specs compared
- 35 filters
RingWindow and Door Contact Sensor (2nd gen)
$14.99
ShellyBLU Door/Window ZB
$22.99
EufyEntry Sensor
$29.99
PhilipsHue Secure Contact Sensor
$39.99
YoLinkLoRa Smart Outdoor Contact Sensor
$24.99
YoLinkSolar Outdoor Door Sensor
$31.99
AeotecMultipurpose Sensor
$38.99
AqaraDoor and Window Sensor
$17.99
RingOutdoor Contact Sensor
$49.99
SonoffSenseGuard DW Gen2
SwitchBotContact Sensor
$16.99
EcobeeSmartSensor for Doors & Windows
$59.89
AeotecDoor Window Sensor 7
$34.99
CentraliteMicro Door Sensor
$43.51
EveDoor & Window
14% OFF$43.95$38.00
HeimanWindow Door Alarm
$19.98
ArloAll-in-One Sensor
7% OFF$29.99$27.90
SonoffSNZB-04P ZigBee Door/Window Sensor
$18.99
SonoffDW2-WIFI
$12.23
AeotecRecessed Door Sensor 7
5% OFF$39.99$37.99
- Door & Window SensorsFibaro
Door / Window Sensor 2
3.6(58)$50.45 
Door & Window SensorsFibaroDoor / Window Sensor
3.2(58)$48.53
HubsFibaroHome Center Lite
3.4(39)$149.00
Motion SensorsFibaroFGBHMS-001
3.5(192)$56.10
PlugsFibaroWall Plug (EU)
4.5(526)
PlugsFibaroWall Plug with USB (US)
4.0(44)$51.28
Water Leak SensorsFibaroFlood Sensor (Z-Wave)
4.3(233)$62.04
Water Leak SensorsFibaroFlood Sensor (HomeKit)
4.1(359)$43.28
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.7(191)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.3(169)$49.90
CamerasSonoffCAM GlassView
4.4(10)$34.90
CamerasSonoffCam Outdoor DUO
$79.90
CamerasSonoffCam Slim Gen2
4.4(170)$19.90
CamerasSonoffGK-200MP2-B
4.0(149)30% OFF$9.99$6.99
DisplaysSonoffNSPanel Pro Gen2
3.4(11)€149.90
DisplaysSonoffNSPanel Pro
4.1(73)$129.90
DonglesSonoffDongle Lite MG21
4.5(436)$24.90
DonglesSonoffDongle Max
4.3(595)
DonglesSonoffDongle Plus MG24
4.7(669)$35.90
DonglesSonoffDongle Plus PP10
4.6(78)$35.90
DonglesSonoffDongle-PZG23
4.6(171)$39.90
DonglesSonoffZBDongle-E
4.6(3,729)$24.90
DonglesSonoffZBDongle-P
4.6(5,671)15% OFF$39.99$33.94- Door & Window SensorsSonoff
DW2-WIFI
3.8(1,061)$12.23 
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.7(101)$17.99- Door & Window SensorsSonoff
SNZB-04P ZigBee Door/Window Sensor
4.0(13)$18.99 - Door & Window SensorsSonoff
SenseGuard DW Gen2
4.4(185) 
Energy MonitorsSonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
5.0(1)$15.90