The Smart Device Compare comparison

Eufy FamiLock E32 vs Eufy FamiLock S3 Max

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Eufy FamiLock E32 and Eufy FamiLock S3 Max

A summary of selected recorded differences between these door locks. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Bluetooth (connectivity): Eufy FamiLock E32 — Yes (Matter runs over Thread, which uses Bluetooth Low Energy for commissioning); Eufy FamiLock S3 Max — No.
Doorbell (features): Eufy FamiLock E32 — No; Eufy FamiLock S3 Max — Yes (Built-in 2K HDR video doorbell with Rear Lock Video Screen).
Fingerprint (lock system): Eufy FamiLock E32 — Yes (Self-learning AI fingerprint recognition); Eufy FamiLock S3 Max — No.
2k Video (video): Eufy FamiLock E32 — No; Eufy FamiLock S3 Max — Yes.

Specifications to check side by side

Thread (connectivity): Eufy FamiLock E32 — Thread Border Router required (Matter runs over Thread, so a Thread border router such as a HomePod mini or Apple TV 4K is needed for Matter control (official eufy FAQ)); Eufy FamiLock S3 Max — No.
Backup Battery (power): Eufy FamiLock E32 — No; Eufy FamiLock S3 Max — 4x AAA backup batteries.
Battery Life (power): Eufy FamiLock E32 — 8 months; Eufy FamiLock S3 Max — 4 months.
Battery Type (power): Eufy FamiLock E32 — 8 AA; Eufy FamiLock S3 Max — Built-in.

Information still to confirm

6 of 45 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.

Option 1 · Eufy

Eufy FamiLock E32

Last updated October 2026

View full device profile

Option 2 · Eufy

Eufy FamiLock S3 Max

Last updated October 2026

View full device profile

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.

12differences with recorded values for every device

6rows with missing or unspecified information

Consider your setup

Battery Life

Eufy FamiLock E328 months
Eufy FamiLock S3 Max4 months

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

Inspect the specifications

Your 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.

Differences onlyMy priorities (0)

Showing 45 of 45 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Door Lock Unlock

Eufy FamiLock E32: Yes
Catalog note
Real-time notifications and event history in the eufy app
Eufy FamiLock S3 Max: Yes

Low Battery Alert

Eufy FamiLock E32: Yes
Catalog note
Low-battery alerts through the app (official eufy FAQ)
Eufy FamiLock S3 Max: Yes

Multiple Unlocking Failure Alert

Eufy FamiLock E32: Not recorded
Eufy FamiLock S3 Max: Not recorded

Tamper Proof Alert

Eufy FamiLock E32: Not recorded
Eufy FamiLock S3 Max: Not recorded

Automatic Lock

After Door Closed

Eufy FamiLock E32: Yes
Catalog note
Countdown auto-lock, with customizable timing from 2 seconds to 5 minutes (official eufy FAQ)
Eufy FamiLock S3 Max: Yes

Away

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Geolocation

Eufy FamiLock E32: Not recorded
Eufy FamiLock S3 Max: Not recorded

Connectivity

2.4 GHz Wi-Fi

Eufy FamiLock E32: Yes
Catalog note
Built-in Wi-Fi, no bridge required (official eufy product page and Amazon listing)
Eufy FamiLock S3 Max: Yes

5 GHz Wi-Fi

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Bluetooth

Eufy FamiLock E32: Yes
Catalog note
Matter runs over Thread, which uses Bluetooth Low Energy for commissioning
Eufy FamiLock S3 Max: No

Other

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Thread

Eufy FamiLock E32: Thread Border Router required
Catalog note
Matter runs over Thread, so a Thread border router such as a HomePod mini or Apple TV 4K is needed for Matter control (official eufy FAQ)
Eufy FamiLock S3 Max: No

Z Wave

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Zigbee

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Features

Anti Peep Password

Eufy FamiLock E32: Yes
Catalog note
Anti-Peep Passcode (official eufy product page)
Eufy FamiLock S3 Max: Yes

Doorbell

Eufy FamiLock E32

Eufy FamiLock S3 Max

Yes

Manufacturer source

A doorbell is built into the lock.

Eufy FamiLock S3 Max manufacturer product page →

Source section: Model-specific product page summary
Model: Eufy FamiLock S3 Max
Region: US manufacturer page; other regional variants are not verified by this source
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Built-in 2K HDR video doorbell with Rear Lock Video Screen

Emergency Fingerprint

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

One Time Password

Eufy FamiLock E32: Yes
Catalog note
Temporary passcodes via Access Management in the eufy app
Eufy FamiLock S3 Max: Yes

Periodic Password

Eufy FamiLock E32: Yes
Catalog note
Scheduled passcodes via Access Management in the eufy app
Eufy FamiLock S3 Max: Yes

Integrations

Alexa

Eufy FamiLock E32: Yes
Catalog note
Via Matter
Eufy FamiLock S3 Max: Yes
Catalog note
Via Matter

Apple Home

Eufy FamiLock E32: Yes
Catalog note
Via Matter
Eufy FamiLock S3 Max: Yes
Catalog note
Via Matter

Google Home

Eufy FamiLock E32: Yes
Catalog note
Via Matter
Eufy FamiLock S3 Max: Yes
Catalog note
Via Matter

Home Assistant

Eufy FamiLock E32: Yes
Catalog note
Via Matter
Eufy FamiLock S3 Max: Yes

Matter

Eufy FamiLock E32: Yes
Catalog note
Matter over Thread (official eufy product page FAQ)
Eufy FamiLock S3 Max: Yes

SmartThings

Eufy FamiLock E32: Yes
Catalog note
Via Matter
Eufy FamiLock S3 Max: Yes
Catalog note
Via Matter

Lock System

Apple Home Key

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Bluetooth

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Face Recognition

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Fingerprint

Eufy FamiLock E32

Yes

Manufacturer source

Fingerprint access is supported.

Eufy FamiLock E32 manufacturer product page →

Source section: Model-specific product page summary
Model: Eufy FamiLock E32
Region: US manufacturer page; other regional variants are not verified by this source
Firmware: Not specified by this source
Checked: 2026-10-04

Battery life is a manufacturer estimate, not a guaranteed replacement interval.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Self-learning AI fingerprint recognition

Eufy FamiLock S3 Max

Nfc Tag

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Passcode

Eufy FamiLock E32: Yes
Catalog note
Touchscreen keypad
Eufy FamiLock S3 Max: Yes
Catalog note
Touchscreen keypad

Physical Key

Eufy FamiLock E32: Yes
Eufy FamiLock S3 Max: Yes

Remote

Eufy FamiLock E32: Yes
Catalog note
Built-in Wi-Fi, no bridge required; control from anywhere in the eufy app
Eufy FamiLock S3 Max: Yes
Catalog note
Built-in Wi-Fi, no bridge required

Power

Backup Battery

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: 4x AAA backup batteries

Battery Life

Eufy FamiLock E32

8 months

Manufacturer source

The advertised battery life is up to eight months.

Eufy FamiLock E32 manufacturer product page →

Source section: Model-specific product page summary
Model: Eufy FamiLock E32
Region: US manufacturer page; other regional variants are not verified by this source
Firmware: Not specified by this source
Checked: 2026-10-04

Battery life is a manufacturer estimate, not a guaranteed replacement interval.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Eufy FamiLock S3 Max

4 months

Battery Type

Eufy FamiLock E32: 8 AA
Eufy FamiLock S3 Max: Built-in

Sensors

Open Close

Eufy FamiLock E32: No
Catalog note
Auto-lock is a countdown timer set in the app, with no door-position sensor documented
Eufy FamiLock S3 Max: Not recorded

Video

2k Video

Eufy FamiLock E32

Eufy FamiLock S3 Max

Yes

Manufacturer source

The integrated camera supports 2K video.

Eufy FamiLock S3 Max manufacturer product page →

Source section: Model-specific product page summary
Model: Eufy FamiLock S3 Max
Region: US manufacturer page; other regional variants are not verified by this source
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Customizable Area

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: Not recorded

Hd Video

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: Yes
Catalog note
2K HDR camera, f/1.6 lens, 150° Head-to-Toe wide-angle view

Internal Storage

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: Yes
Catalog note
16 GB built-in storage

microSD card slot

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: No

Motion Detection

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: Yes

Night Vision

Eufy FamiLock E32: No
Eufy FamiLock S3 Max: Yes

Range Of Detection

Eufy FamiLock E32: Not applicable / unspecified
Eufy FamiLock S3 Max: Not recorded

Specifications for Eufy FamiLock E32 versus Eufy FamiLock S3 Max
Specification	Eufy FamiLock E32	Eufy FamiLock S3 Max
Alerts
Door Lock Unlock	Yes Catalog note Real-time notifications and event history in the eufy app	Yes
Low Battery Alert	Yes Catalog note Low-battery alerts through the app (official eufy FAQ)	Yes
Multiple Unlocking Failure Alert	Not recorded	Not recorded
Tamper Proof Alert	Not recorded	Not recorded
Automatic Lock
After Door Closed	Yes Catalog note Countdown auto-lock, with customizable timing from 2 seconds to 5 minutes (official eufy FAQ)	Yes
Away	No	No
Geolocation	Not recorded	Not recorded
Connectivity
2.4 GHz Wi-Fi	Yes Catalog note Built-in Wi-Fi, no bridge required (official eufy product page and Amazon listing)	Yes
5 GHz Wi-Fi	No	No
Bluetooth	Yes Catalog note Matter runs over Thread, which uses Bluetooth Low Energy for commissioning	No
Other	No	No
Thread	Thread Border Router required Catalog note Matter runs over Thread, so a Thread border router such as a HomePod mini or Apple TV 4K is needed for Matter control (official eufy FAQ)	No
Z Wave	No	No
Zigbee	No	No
Features
Anti Peep Password	Yes Catalog note Anti-Peep Passcode (official eufy product page)	Yes
Doorbell	No	Yes Manufacturer source A doorbell is built into the lock. Eufy FamiLock S3 Max manufacturer product page → Source section Model-specific product page summary Model Eufy FamiLock S3 Max Region US manufacturer page; other regional variants are not verified by this source Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Built-in 2K HDR video doorbell with Rear Lock Video Screen
Emergency Fingerprint	No	No
One Time Password	Yes Catalog note Temporary passcodes via Access Management in the eufy app	Yes
Periodic Password	Yes Catalog note Scheduled passcodes via Access Management in the eufy app	Yes
Integrations
Alexa	Yes Catalog note Via Matter	Yes Catalog note Via Matter
Apple Home	Yes Catalog note Via Matter	Yes Catalog note Via Matter
Google Home	Yes Catalog note Via Matter	Yes Catalog note Via Matter
Home Assistant	Yes Catalog note Via Matter	Yes
Matter	Yes Catalog note Matter over Thread (official eufy product page FAQ)	Yes
SmartThings	Yes Catalog note Via Matter	Yes Catalog note Via Matter
Lock System
Apple Home Key	No	No
Bluetooth	No	No
Face Recognition	No	No
Fingerprint	Yes Manufacturer source Fingerprint access is supported. Eufy FamiLock E32 manufacturer product page → Source section Model-specific product page summary Model Eufy FamiLock E32 Region US manufacturer page; other regional variants are not verified by this source Firmware Not specified by this source Checked 2026-10-04 Battery life is a manufacturer estimate, not a guaranteed replacement interval. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Self-learning AI fingerprint recognition	No
Nfc Tag	No	No
Passcode	Yes Catalog note Touchscreen keypad	Yes Catalog note Touchscreen keypad
Physical Key	Yes	Yes
Remote	Yes Catalog note Built-in Wi-Fi, no bridge required; control from anywhere in the eufy app	Yes Catalog note Built-in Wi-Fi, no bridge required
Power
Backup Battery	No	4x AAA backup batteries
Battery Life	8 months Manufacturer source The advertised battery life is up to eight months. Eufy FamiLock E32 manufacturer product page → Source section Model-specific product page summary Model Eufy FamiLock E32 Region US manufacturer page; other regional variants are not verified by this source Firmware Not specified by this source Checked 2026-10-04 Battery life is a manufacturer estimate, not a guaranteed replacement interval. Document check only; not a hands-on test or verification of every regional or firmware variant.	4 months
Battery Type	8 AA	Built-in
Sensors
Open Close	No Catalog note Auto-lock is a countdown timer set in the app, with no door-position sensor documented	Not recorded
Video
2k Video	No	Yes Manufacturer source The integrated camera supports 2K video. Eufy FamiLock S3 Max manufacturer product page → Source section Model-specific product page summary Model Eufy FamiLock S3 Max Region US manufacturer page; other regional variants are not verified by this source Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant.
Customizable Area	No	Not recorded
Hd Video	No	Yes Catalog note 2K HDR camera, f/1.6 lens, 150° Head-to-Toe wide-angle view
Internal Storage	No	Yes Catalog note 16 GB built-in storage
microSD card slot	No	No
Motion Detection	No	Yes
Night Vision	No	Yes
Range Of Detection	Not applicable / unspecified	Not recorded

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