
The Smart Device Compare comparison
Eufy Entry Sensor vs Sonoff DW2-WIFI
Understand the differences. Decide what matters to your home.
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Key differences between Eufy Entry Sensor and Sonoff DW2-WIFI
A summary of selected recorded differences between these door & window sensors. Check the full specification table below for details and conditions.
- Alexa (integrations): Eufy Entry Sensor — No (The eufy Security skill exposes cameras, doorbells, locks, floodlights and arming, not the individual HomeBase sensors); Sonoff DW2-WIFI — Yes.
- Google Home (integrations): Eufy Entry Sensor — No; Sonoff DW2-WIFI — Yes.
- 2.4 GHz Wi-Fi (connectivity): Eufy Entry Sensor — HomeBase required (Sub-1G connection between the alarm and the base. WiFi connection on the base.); Sonoff DW2-WIFI — Yes.
- Bluetooth (connectivity): Eufy Entry Sensor — No; Sonoff DW2-WIFI — For Pairing.
- Battery Type (power): Eufy Entry Sensor — CR123A; Sonoff DW2-WIFI — 2x AAA.
- 6 of 30 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.


What the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
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Focus on what changes.
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 30 of 30 rows. “Not recorded” does not mean “No”.
Alerts
- Eufy Entry Sensor
- Yes
- Sonoff DW2-WIFI
- Yes
- Eufy Entry Sensor
- Not recorded
- Sonoff DW2-WIFI
- Yes
Manufacturer source
The app can notify you when the battery is low.
Sonoff DW2-WIFI manufacturer product page →- Source section
- Product description
- Model
- Sonoff DW2-WIFI
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
The catalog expresses three months as 90 days; the exact calendar period can vary. Batteries are not included.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
Connectivity
- Eufy Entry Sensor
- HomeBase required
Catalog note
Sub-1G connection between the alarm and the base. WiFi connection on the base.
- Sonoff DW2-WIFI
- Yes
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- For Pairing
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
Features
- Eufy Entry Sensor
- Yes
Catalog note
eufySecurity Automation lets a device on the same HomeBase, such as the Entry Sensor, act as a trigger for other devices (for example, starting camera recording)
- Sonoff DW2-WIFI
- Yes
- Eufy Entry Sensor
- Not recorded
- Sonoff DW2-WIFI
- 90 days
Manufacturer source
The app retains roughly three months of event history.
Sonoff DW2-WIFI manufacturer product page →- Source section
- Product description
- Model
- Sonoff DW2-WIFI
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
The catalog expresses three months as 90 days; the exact calendar period can vary. Batteries are not included.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Eufy Entry Sensor
- Not recorded
- Sonoff DW2-WIFI
- Not recorded
- Eufy Entry Sensor
- Not recorded
- Sonoff DW2-WIFI
- Not recorded
- Eufy Entry Sensor
- Not recorded
- Sonoff DW2-WIFI
- Not recorded
Integrations
- Eufy Entry Sensor
- No
Catalog note
The eufy Security skill exposes cameras, doorbells, locks, floodlights and arming, not the individual HomeBase sensors
- Sonoff DW2-WIFI
- Yes
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- Yes
- Eufy Entry Sensor
- Yes
- Sonoff DW2-WIFI
- Yes
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
Power
- Eufy Entry Sensor
- 2 years
Manufacturer source
The advertised battery life is up to two years.
Eufy Entry Sensor manufacturer product page →- Source section
- Model-specific product page summary
- Model
- Eufy Entry Sensor
- Region
- US manufacturer page; other regional variants are not verified by this source
- Firmware
- Not specified by this source
- Checked
Battery life depends on usage.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Sonoff DW2-WIFI
- Not recorded
- Eufy Entry Sensor
- CR123A
- Sonoff DW2-WIFI
- 2x AAA
Sensors
- Eufy Entry Sensor
- Yes
Manufacturer source
The sensor detects opening doors or windows.
Eufy Entry Sensor manufacturer product page →- Source section
- Model-specific product page summary
- Model
- Eufy Entry Sensor
- Region
- US manufacturer page; other regional variants are not verified by this source
- Firmware
- Not specified by this source
- Checked
Battery life depends on usage.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Sonoff DW2-WIFI
- Yes
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
- Eufy Entry Sensor
- No
- Sonoff DW2-WIFI
- No
| Specification | Eufy Entry Sensor | Sonoff DW2-WIFI |
|---|---|---|
| Alerts | ||
| Yes | Yes | |
| Not recorded | YesManufacturer sourceThe app can notify you when the battery is low. Sonoff DW2-WIFI manufacturer product page →
The catalog expresses three months as 90 days; the exact calendar period can vary. Batteries are not included. Document check only; not a hands-on test or verification of every regional or firmware variant. | |
| No | No | |
| No | No | |
| No | No | |
| Connectivity | ||
HomeBase requiredCatalog noteSub-1G connection between the alarm and the base. WiFi connection on the base. | Yes | |
| No | No | |
| No | For Pairing | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| Features | ||
YesCatalog noteeufySecurity Automation lets a device on the same HomeBase, such as the Entry Sensor, act as a trigger for other devices (for example, starting camera recording) | Yes | |
| Not recorded | 90 daysManufacturer sourceThe app retains roughly three months of event history. Sonoff DW2-WIFI manufacturer product page →
The catalog expresses three months as 90 days; the exact calendar period can vary. Batteries are not included. Document check only; not a hands-on test or verification of every regional or firmware variant. | |
| Not recorded | Not recorded | |
| Not recorded | Not recorded | |
| Not recorded | Not recorded | |
| Integrations | ||
NoCatalog noteThe eufy Security skill exposes cameras, doorbells, locks, floodlights and arming, not the individual HomeBase sensors | Yes | |
| No | No | |
| No | Yes | |
| Yes | Yes | |
| No | No | |
| No | No | |
| Power | ||
2 yearsManufacturer sourceThe advertised battery life is up to two years. Eufy Entry Sensor manufacturer product page →
Battery life depends on usage. Document check only; not a hands-on test or verification of every regional or firmware variant. | Not recorded | |
| CR123A | 2x AAA | |
| Sensors | ||
YesManufacturer sourceThe sensor detects opening doors or windows. Eufy Entry Sensor manufacturer product page →
Battery life depends on usage. Document check only; not a hands-on test or verification of every regional or firmware variant. | Yes | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology