Door & Window Sensors · Head to head

Eufy Entry Sensor vs Sonoff DW2-WIFI

Full Smart Door & Window Sensors comparison in 2026

Updated June 2026
Data from Amazon and official Eufy and Sonoff sites.
2026 verdict
The Sonoff DW2-WIFI wins this matchup as the cheaper, more connected and more independent door and window sensor. It joins 2.4GHz Wi-Fi directly with no hub, works with Google Home, Alexa, Home Assistant and IFTTT, and adds low-battery alerts plus 90 days of history. The Eufy Entry Sensor is the higher-rated unit and integrates deeply with eufy Security, triggering sirens, chimes and cameras through a HomeBase with no monthly fee and long CR123A battery life, but it needs that HomeBase and won't talk to HomeKit, Alexa or Google. Both handle basic open/close on replaceable batteries. Go with the Sonoff DW2-WIFI if you want a low-cost, hub-free sensor with wide integrations and can work through its pairing quirk; choose the Eufy Entry Sensor if you already run a eufy HomeBase and want subscription-free, higher-rated security.
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FeatureEufy Entry SensorSonoff DW2-WIFIWinner
Price$29.99$12.23Sonoff DW2-WIFI
Rating4.63.8Eufy Entry Sensor
Connectivity2.4 GHz WiFi2.4 GHz WiFi, BluetoothSonoff DW2-WIFI
IntegrationsHome AssistantGoogle Home, Alexa, Home AssistantSonoff DW2-WIFI
AlertsDoor & Window Open/Close AlertsDoor & Window Open/Close Alerts, Low Battery AlertsSonoff DW2-WIFI
Warranty1 year1 yearTie
Weather ResistanceNONOTie
SensorsDoor & Window Open/CloseDoor & Window Open/CloseTie

Frequently Asked Questions

Which is better overall: Eufy Entry Sensor or Sonoff DW2-WIFI?

The Sonoff DW2-WIFI wins overall. It is more affordable, needs no hub, and supports Google Home, Alexa, Home Assistant and IFTTT with low-battery alerts and history. The Eufy Entry Sensor counters with a higher owner rating and deep, subscription-free eufy Security integration, but it requires a eufy HomeBase.

What is the biggest difference between these two sensors?

Independence and reach. The Sonoff DW2-WIFI connects directly to Wi-Fi and works with multiple mainstream platforms on its own, while the Eufy Entry Sensor needs a eufy HomeBase and stays inside the eufy ecosystem with no HomeKit, Alexa or Google.

Does either sensor work without a hub?

The Sonoff DW2-WIFI does, connecting straight to 2.4GHz Wi-Fi (pairing on modern routers may need the Wi-Fi b protocol enabled). The Eufy Entry Sensor is not standalone and requires a eufy HomeBase.

Which one works with Alexa or Google?

The Sonoff DW2-WIFI works with Google Home, Alexa, Home Assistant and IFTTT. The Eufy Entry Sensor supports none of the mainstream voice assistants and no HomeKit; it works only within eufy Security plus Home Assistant.

Who should buy the Eufy Entry Sensor?

Buy the Eufy Entry Sensor if you run a eufy HomeBase and want higher-rated, subscription-free door and window security with long battery life that triggers eufy sirens, chimes and cameras. Skip it if you need Alexa, Google or a hub-free sensor.

Who should buy the Sonoff DW2-WIFI?

Buy the Sonoff DW2-WIFI if you want a cheap, hub-free Wi-Fi sensor with broad integrations, low-battery alerts and history, and you are comfortable enabling the Wi-Fi b protocol to pair it. It suits budget DIY and Home Assistant setups.

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