LogoBuyChoice
  • Features
  • Pricing
  • Products
  • Blog
  1. Home
  2. Products
  3. Security
  4. eufy Security
eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof, BHMA Grade 3
eufy Security

eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof, BHMA Grade 3

4.3(3.7K+ reviews, all variants)
entry$50-$991K+ bought in past month
#1,521 in Tools & Home Improvement#4 in Deadbolts
wifi
Wi-Fi
smart
Smart
control
Remote
material
Aluminum
lock type
Deadbolt
connectivity
Wi-Fi
special feature
8‑month battery life, self‑learning AI fingerprint, 6‑way unlocking, built‑in Wi‑Fi control, eufy ecosystem integration, real‑time notifications, easy installation, durable & waterproof design, wide compatibility

Want the best price and purchase timing?

Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

This BHMA Grade 3 deadbolt offers 6 unlocking methods, built-in Wi-Fi, and 8-month battery life for budget-conscious smart home users.

Situational Fit

This lock is a situational fit, offering a wide array of unlocking methods and built-in Wi-Fi at an entry-level price. Its BHMA Grade 3 rating and IP53 weather resistance make it suitable for most residential front doors, but potential 'deadbolt stuck' errors and the need for precise installation alignment mean it's not a universal solution.

If you need higher security or a more robust mechanism, look for smart deadbolts with BHMA Grade 1 certification and a metal housing that explicitly addresses common jamming issues.

Regret Score™

Medium Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

37/100
vs. 376 Security we've analyzedSafer than 43%
Hidden Defects
23/35

Issues discovered after purchase

Achilles' Heel
0/25

Critically weak dimension

Expectation Gap
3/20

Amazon rating vs actual quality

Fit Risk
11/20

Chance this product isn't for you

BuyChoice Score
3.8

Pros

  • Unlocks in less than 1.5 seconds via self-learning AI fingerprint recognition.
  • Features 6 distinct unlocking methods, including app, keypad, and voice assistant.
  • Built-in Wi-Fi eliminates the need for a separate bridge for remote control.
  • Provides up to 8 months of power with 8 AA batteries, reducing replacement frequency.
  • Installs in approximately 15 minutes without drilling, fitting most standard US&CA deadbolts.
  • Includes a USB-C port for emergency power if batteries deplete.

Cons

  • Some users report 'deadbolt stuck' or 'not locked' error messages, suggesting potential mechanism issues.
  • Requires precise door alignment; any resistance can cause auto-locking features to malfunction.
  • Uses 8 non-rechargeable AA batteries, which some users prefer to replace with rechargeable ones.
  • BHMA Grade 3 certification is not the highest security rating available for deadbolts.

Dimension Scores

Detection Accuracy7/10

The self-learning AI fingerprint recognition unlocks in less than 1.5 seconds, which is faster than many competitors.

Connectivity & Range8/10

Built-in Wi-Fi allows remote control from anywhere without a bridge, offering seamless connectivity.

App & Integration8/10

The eufy Security app provides comprehensive access management, real-time notifications, event history, and integrates with Alexa/Google Assistant and Apple Watch.

Build & Weather Resistance6/10

Constructed from aluminum with an IP53 waterproof rating and BHMA Grade 3 certification, it offers adequate durability for most residential use.

Best For

  • Homeowners seeking keyless entry with multiple access options for a single front door.
  • Users already invested in the eufy ecosystem who want integrated device control.
  • Individuals needing remote access management for guests, pet sitters, or deliveries.
  • Renters or those who prefer non-invasive installation without drilling.

Not Recommended For

  • Users requiring the highest BHMA Grade 1 security rating for their deadbolt.
  • Anyone expecting a built-in camera or video doorbell functionality in their smart lock.
  • Doors with significant alignment issues that might interfere with the deadbolt mechanism.

Watch Out For

  • The lock may display 'deadbolt stuck' or 'not locked' errors, which can be frustrating and compromise security.
  • Installation requires careful alignment; if the deadbolt encounters resistance, the auto-lock function can fail.
  • Notifications can be overwhelming if not customized, with users reporting a need to 'turn them off'.
  • While advertised for 8 months, battery life can vary based on usage frequency, potentially requiring more frequent battery changes than anticipated.

Full Specifications

UPC194644146429
ASINB0C7C69FPS
Brandeufy Security
ColorBlack
ShapeRectangular
StyleDeadbolt
FinishPolished
MaterialAluminum
Batteries1 AAA batteries required. (included)
Lock TypeDeadbolt
Model NameC220
Finish TypePolished
Item Weight3.06 pounds
Part NumberT8506
ManufacturerEufy
Control MethodRemote
Controller TypeGoogle Assistant, Amazon Alexa
Special Feature8‑month battery life, self‑learning AI fingerprint, 6‑way unlocking, built‑in Wi‑Fi control, eufy ecosystem integration, real‑time notifications, easy installation, durable & waterproof design, wide compatibility
Number of Pieces1
Special Features8‑month battery life, self‑learning AI fingerprint, 6‑way unlocking, built‑in Wi‑Fi control, eufy ecosystem integration, real‑time notifications, easy installation, durable & waterproof design, wide compatibility
Battery Cell TypeAlkaline
Item model numberT8506
Product Dimensions7.67 x 4.49 x 4.41 inches
Batteries Included?Yes
Batteries Required?Yes
Included ComponentsDeadbolt, Remote Control, Key, Lock
Connectivity ProtocolWi-Fi
Item Package Quantity1
Item dimensions L x W x H7.67 x 4.49 x 4.41 inches
Recommended Uses For ProductHome

What Buyers Say

Users frequently highlight the fingerprint scanner's speed and convenience, often preferring it over other entry methods. Many appreciate the straightforward installation process, often completed within 15 minutes without needing to drill. The ability to manage access and receive real-time notifications through the app from anywhere is a recurring positive point. However, some users have encountered 'deadbolt stuck' error messages, indicating potential mechanical or alignment issues. The requirement for 8 non-rechargeable AA batteries also comes up, with some wishing for a rechargeable option.

“Dude, this fingerprint thing is fast, like, I just tap it and I'm in, but sometimes it says the deadbolt is stuck even when it's not, which is annoying.”

Common Praise

  • Fingerprint sensor recognizes prints quickly, often under 1.5 seconds.
  • Installation is quick and easy, taking about 15 minutes with no drilling required.
  • Remote control and access management via the eufy Security app works from any location.
  • Multiple unlocking options (fingerprint, keypad, app, key, voice, Apple Watch) provide flexibility.
  • The emergency USB-C port is a lifesaver if batteries unexpectedly die.
  • Integration with eufy doorbell allows for combined routines and control within the app.

Common Complaints

  • Some users experience 'deadbolt stuck' or 'not locked' error messages, which can be a security concern.
  • The lock requires 8 AA batteries, and some users express a desire for rechargeable battery options.
  • Auto-locking features can error out if the door or deadbolt is not perfectly aligned and encounters resistance.
  • Notifications can be overly frequent if not specifically configured, leading users to disable them.

Ownership Tips

  • The self-learning AI for fingerprints actually gets better over time, making entry smoother after a few days of use.
  • Setting up temporary access codes for visitors is super simple and you can track their entry/exit times in the app.
  • The auto-lock feature is a game-changer for peace of mind, but you gotta make sure your door closes perfectly for it to work every time.
  • You'll want to invest in a good pack of AA batteries, or consider rechargeable ones, because 8 months can fly by if you're using it a lot.

Frequently Asked Questions

How many ways can I unlock the eufy Smart Lock C220?

You can unlock it in 6 ways: using your fingerprint, the eufy Security app, the keypad, a physical key, an Apple Watch, or voice commands with Alexa/Google Assistant.

Does this smart lock require a separate hub or bridge?

No, the eufy Smart Lock C220 has built-in Wi-Fi, so it connects directly to your home network without needing an additional bridge.

What kind of batteries does it use and how long do they last?

It uses 8 AA batteries, which are rated to last approximately 8 months, though this can vary with usage frequency. The batteries are not rechargeable.

What if the batteries die while I'm locked out?

The lock includes a USB-C port on the bottom for emergency power. You can connect a power bank to temporarily power the lock and gain entry.

Is the eufy Smart Lock C220 waterproof?

It is IP53 waterproof, meaning it's protected from limited dust ingress and water spray from any direction.

Buying Guide

When you're looking at smart locks, you need to think about how you actually want to get into your house. Do you want to use your finger, a code, your phone, or a regular key? Also, consider if you want to control it when you're not home. Some locks need an extra gadget for that, but others have Wi-Fi built-in. Don't forget about how tough it is – will it stand up to weather and how secure is the actual lock mechanism?

BHMA Grade 3

This is a rating for how strong and durable the lock is. Grade 3 is the lowest residential security grade, meaning it's tested for basic strength and function. If you want more security, like for a main entry door in a high-traffic area, you'd look for Grade 2 or Grade 1, which are tougher.

Built-in Wi-Fi

This means the lock connects directly to your home internet, letting you control it from your phone anywhere you have service. Locks without built-in Wi-Fi often need a separate 'bridge' device plugged into your router to get that remote functionality, adding cost and complexity.

8 Months Battery Life (8 AA batteries)

This tells you how often you'll be swapping out batteries. 8 months is a decent run, but remember that frequent use, cold weather, or a weak Wi-Fi signal can drain them faster. Knowing it uses 8 AA batteries means you'll need to stock up or consider rechargeable AAs.

Alternatives

If this lock doesn't fit, search for smart deadbolts with BHMA Grade 1 certification for enhanced security, or models that offer rechargeable battery packs for easier power management.

You Might Also Like

Ring Wired Doorbell Elite (newest model), Native Power over Ethernet, Retinal 4K video, Remote Gate Access, 10x Enhanced Zoom, and Low-Light Sight
Strong Fit
Ring

Ring Wired Doorbell Elite (newest model), Native Power over Ethernet, Retinal 4K video, Remote Gate Access, 10x Enhanced Zoom, and Low-Light Sight

$300-$599
4K

A 4K PoE doorbell with 10x zoom and remote gate control, built for properties needing robust, wired security and advanced motion detection.

Blink Doorbell Mount, 2nd Gen Anti-Theft Blink Doorbell Camera Mount No Drilling with Rain Cover, Fit for Blink Video Doorbell 1st & 2nd Gen, No Block Sensor & Night Vision
Situational
Satisure

Blink Doorbell Mount, 2nd Gen Anti-Theft Blink Doorbell Camera Mount No Drilling with Rain Cover, Fit for Blink Video Doorbell 1st & 2nd Gen, No Block Sensor & Night Vision

$0-$49

This is a no-drilling, anti-theft mount with a rain cover designed for Blink Video Doorbells (1st and 2nd Gen) on inward-opening doors 0.8-1.9 inches thick.

Ring Chime Pro
Amazon's ChoiceSituational
Ring

Ring Chime Pro

4.6
(57K)
$50-$99
wifi

A plug-in chime and Wi-Fi extender for Ring devices, it provides audible alerts and a limited 2000 sq. ft. signal boost for Ring cameras and doorbells.

Ring Video Wired Doorbell (newest model), Home or business security, Two-Way Talk, advanced motion detection, HD camera and real-time alerts to monitor your front door (wiring required)
Amazon's ChoiceStrong Fit
Ring

Ring Video Wired Doorbell (newest model), Home or business security, Two-Way Talk, advanced motion detection, HD camera and real-time alerts to monitor your front door (wiring required)

4.4
(79K)
$0-$49
1080p

This 1080p wired doorbell delivers real-time alerts and two-way talk for front door monitoring, requiring existing wiring.

LogoBuyChoice

Avoid bad products before you buy. Real data. Zero bias.

GitHubX (Twitter)BlueskyYouTube
Built withLogo of MkSaaSMkSaaS
Product
  • Features
  • Pricing
  • FAQ
Resources
  • Blog
  • Changelog
  • Roadmap
Company
  • About
  • Contact
  • Waitlist
Legal
  • Cookie Policy
  • Privacy Policy
  • Terms of Service
© 2026 BuyChoice. All Rights Reserved.