Device profile · Specifications & compatibility

Eufy FamiLock E40

Name: Eufy FamiLock E40
Brand: Eufy

Eufy · Door Locks · Model T85M0

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Eufy FamiLock E40 lists Physical Key; Passcode; Matter.
Check what is included and how entry works with an exhausted battery.

Browse more from Eufy or explore all door locks in our catalog.

Recorded year: 2026
Recorded warranty: 1.5 years
Weight: ?

The details that shape your choice

Eufy FamiLock E40 Quick Features

Start with these specifications, then check the full details and conditions below.

All specifications →

Physical Key: Yes; View details →
Passcode: Yes; View details & conditions →
Matter: Yes; View details & conditions →
Door Lock Unlock: Yes; View details →
Low Battery Alert: Yes; View details →
After Door Closed: Yes; View details & conditions →

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From specification to decision

Eufy FamiLock E40: Capabilities And Limitations

Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.

What it offers

Physical-key entry is listed, adding a listed entry method alongside electronic controls. Check what is included and how entry works with an exhausted battery.
View Physical Key details →
Passcode entry is listed, useful when access needs to be shared without handing over a physical key. Check code limits, expiry rules and whether remote code changes need extra hardware. Touchscreen keypad
View Passcode details →
Matter support is listed, making it a candidate for a compatible Matter setup after model and feature checks. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity. Camera streams are not supported via Matter
View Matter details →

What to consider

A microSD card slot is listed as unavailable; check the alternative storage routes.
View microSD card slot details →

Still needs verification

Confirm these details if they matter to your setup.

range of detection: Not recorded →

About our sources and comparison method →

Questions About Eufy FamiLock E40

Does Eufy FamiLock E40 support a physical key?

Yes, according to the listed specifications. Check what is included and how entry works with an exhausted battery.

View Physical Key specifications →

Does Eufy FamiLock E40 support passcode entry?

Yes, according to the listed specifications. Check code limits, expiry rules and whether remote code changes need extra hardware. Touchscreen keypad

View Passcode specifications →

Does Eufy FamiLock E40 support Matter?

Yes, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity. Camera streams are not supported via Matter

View Matter specifications →

Does Eufy FamiLock E40 support fingerprint entry?

Yes, according to the listed specifications. Check user capacity and backup-entry options; a listed sensor does not establish recognition reliability.

View Fingerprint specifications →

What is the battery runtime of Eufy FamiLock E40?

Battery Life: 6 months. Check the stated workload and conditions. A catalog runtime is not a prediction of runtime in your installation.

View Battery Life specifications →

Explore the full picture

Eufy FamiLock E40 Specifications

Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.

0 of 45 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →

Lock System8 fields

Lock System specifications
Remote	Yes Details & conditions Direct Wi-Fi, no bridge required
Bluetooth	Yes
Passcode	Yes Details & conditions Touchscreen keypad
Fingerprint	Yes
Face Recognition	Yes Details & conditions 3D facial recognition, up to 50 faces stored locally
Nfc Tag	No
Apple Home Key	No
Physical Key	Yes

Integrations6 fields

Integrations specifications
Google Home	Yes Details & conditions Via Matter
Alexa	Yes Details & conditions Via Matter
Apple Home	Yes Details & conditions Via Matter
SmartThings	Yes Details & conditions Via Matter
Home Assistant	Yes Details & conditions Via Matter
Matter	Yes Details & conditions Camera streams are not supported via Matter

Alerts4 fields

Alerts specifications
Door Lock Unlock	Yes
Tamper Proof Alert	Not recorded
Low Battery Alert	Yes
Multiple Unlocking Failure Alert	Not recorded

Automatic Lock3 fields

Automatic Lock specifications
Away	Not recorded
After Door Closed	Yes Details & conditions Countdown auto-lock
Geolocation	Not recorded

Connectivity7 fields

Connectivity specifications
2.4 GHz Wi-Fi	Yes
5 GHz Wi-Fi	No
Bluetooth	Yes
Z Wave	No
Zigbee	No
Thread	No
Other	No

Features5 fields

Features specifications
One Time Password	Yes
Periodic Password	Yes
Anti Peep Password	Yes
Emergency Fingerprint	No
Doorbell	Yes

Power3 fields

Power specifications
Battery Type	Built-in
Battery Life	6 months
Backup Battery	800mAh built-in backup battery

Sensors1 fields

Sensors specifications
Open Close	Not recorded

Video8 fields

Video specifications
Hd Video	Yes
2k Video	Yes
Night Vision	Yes
Internal Storage	32GB
microSD card slot	No
Motion Detection	Yes Details & conditions 60 GHz radar motion detection
Range Of Detection	Not recorded
Customizable Area	Not recorded

Category ComparisonSee how these fields vary across door locks Reading SpecificationsCheck units, conditions and specification limits

How this device compares

Eufy FamiLock E40 vs Other Similar Models

Statistical context from 47 door locks in this catalog. These figures describe our recorded data, not independent measurements.

Recorded feature coverage

2k Video: 5 of 47 known answers are Yes

Video: 11% among explicit Yes/No answers; 0 of 47 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Hd Video: 5 of 47 known answers are Yes

Video: 11% among explicit Yes/No answers; 0 of 47 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Night Vision: 5 of 47 known answers are Yes

Video: 11% among explicit Yes/No answers; 0 of 47 devices have no resolved answer. Check the specifications for this model’s conditions.

Brand representation in this directory

14 of 47 models are from Eufy

Counts door locks listed here, not sales or market share. Catalog inclusion does not imply a recommendation.

How These Figures Are CalculatedLearn about our catalog statistics methodology

What Should You Verify Before Buying Eufy FamiLock E40?

These checks describe door locks requirements. Confirm each one against the exact model’s current manufacturer documentation and your installation.

Match the lock type and dimensions to the existing door.
Check how to enter when the battery runs out.
Verify guest access rules and which actions need internet access.
Confirm the exact integration and any required hub.

Verify compatibility beyond a protocol label →Check accounts, accessories and installation requirements →Check update support and data deletion before choosing →

Side-by-side specification comparison

Compare Eufy FamiLock E40 vs Similar Door Locks

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Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.