The Smart Device Compare comparison
Eufy Entry Sensor vs Eufy Entry Sensor E20
Understand the differences. Decide what matters to your home.
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Key differences between Eufy Entry Sensor and Eufy Entry Sensor E20
A summary of selected recorded differences between these door & window sensors. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- Tamper Alerts (alerts): Eufy Entry Sensor — No; Eufy Entry Sensor E20 — Yes (eufy lists Tamper Protection as supported.).
Specifications to check side by side
- Battery Life (power): Eufy Entry Sensor — 2 years; Eufy Entry Sensor E20 — 5 years (eufy rates the single CR123A battery at up to 5 years of use.).
Information still to confirm
- 5 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.
2differences with recorded values for every device
5rows with missing or unspecified information
Consider your setup
Battery Life
- Eufy Entry Sensor2 years
- Eufy Entry Sensor E205 years
Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.
Inspect the specificationsYour priorities, side by side
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
- Eufy Entry Sensor E20
- Yes
Manufacturer source
Opening a door or window can trigger an alert.
Eufy Entry Sensor E20 manufacturer product page →- Source section
- Model-specific product page summary
- Model
- Eufy Entry Sensor E20
- 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.
Catalog note
Sends open/close alerts and can trigger HomeBase chimes, eufy camera recordings and automations when a door or window opens.
- Eufy Entry Sensor
- Not recorded
- Eufy Entry Sensor E20
- Not recorded
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- Yes
Catalog note
eufy lists Tamper Protection as supported.
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
Connectivity
- Eufy Entry Sensor
- HomeBase required
Catalog note
Sub-1G connection between the alarm and the base. WiFi connection on the base.
- Eufy Entry Sensor E20
- HomeBase required
Catalog note
Links wirelessly to a US version of the eufy HomeBase (Mini, 2, 3 or Pro), which provides the WiFi connection. Open-air range to the HomeBase is up to 656 ft (200 m).
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- 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)
- Eufy Entry Sensor E20
- Yes
Catalog note
Create automation rules in the eufy app (v6.0.00 or above) to activate eufy cameras or lights when the sensor triggers.
- Eufy Entry Sensor
- Not recorded
- Eufy Entry Sensor E20
- Not recorded
- Eufy Entry Sensor
- Not recorded
- Eufy Entry Sensor E20
- 2 cm
- Eufy Entry Sensor
- Not recorded
- Eufy Entry Sensor E20
- Not recorded
- Eufy Entry Sensor
- Not recorded
- Eufy Entry Sensor E20
- 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
- Eufy Entry Sensor E20
- No
Catalog note
The sensor is a HomeBase accessory: the eufy Security Alexa skill exposes cameras, doorbells, locks and arming, not the individual HomeBase sensors.
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- Yes
- Eufy Entry Sensor E20
- Yes
Catalog note
The community eufy-security-client integration (installed through HACS) lists this exact model (T90E0, Entry Sensor E20).
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- 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.
- Eufy Entry Sensor E20
- 5 years
Manufacturer source
The advertised battery life is up to five years.
Eufy Entry Sensor E20 manufacturer product page →- Source section
- Model-specific product page summary
- Model
- Eufy Entry Sensor E20
- 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.
Catalog note
eufy rates the single CR123A battery at up to 5 years of use.
- Eufy Entry Sensor
- CR123A
- Eufy Entry Sensor E20
- CR123A
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.
- Eufy Entry Sensor E20
- Yes
Catalog note
Magnetic contact sensor with dual-side detection: the magnet can sit on the left or right of the main unit, within about 0.8 inch (2 cm).
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
- Eufy Entry Sensor
- No
- Eufy Entry Sensor E20
- No
| Specification | Eufy Entry Sensor | Eufy Entry Sensor E20 |
|---|---|---|
| Alerts | ||
| Yes | YesManufacturer sourceOpening a door or window can trigger an alert. Eufy Entry Sensor E20 manufacturer product page →
Battery life depends on usage. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteSends open/close alerts and can trigger HomeBase chimes, eufy camera recordings and automations when a door or window opens. | |
| Not recorded | Not recorded | |
| No | No | |
| No | YesCatalog noteeufy lists Tamper Protection as supported. | |
| No | No | |
| Connectivity | ||
HomeBase requiredCatalog noteSub-1G connection between the alarm and the base. WiFi connection on the base. | HomeBase requiredCatalog noteLinks wirelessly to a US version of the eufy HomeBase (Mini, 2, 3 or Pro), which provides the WiFi connection. Open-air range to the HomeBase is up to 656 ft (200 m). | |
| No | No | |
| No | No | |
| 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) | YesCatalog noteCreate automation rules in the eufy app (v6.0.00 or above) to activate eufy cameras or lights when the sensor triggers. | |
| Not recorded | Not recorded | |
| Not recorded | 2 cm | |
| 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 | NoCatalog noteThe sensor is a HomeBase accessory: the eufy Security Alexa skill exposes cameras, doorbells, locks and arming, not the individual HomeBase sensors. | |
| No | No | |
| No | No | |
| Yes | YesCatalog noteThe community eufy-security-client integration (installed through HACS) lists this exact model (T90E0, Entry Sensor E20). | |
| 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. | 5 yearsManufacturer sourceThe advertised battery life is up to five years. Eufy Entry Sensor E20 manufacturer product page →
Battery life depends on usage. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteeufy rates the single CR123A battery at up to 5 years of use. | |
| CR123A | CR123A | |
| 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. | YesCatalog noteMagnetic contact sensor with dual-side detection: the magnet can sit on the left or right of the main unit, within about 0.8 inch (2 cm). | |
| 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