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eufy Smart Lock C33, Keypad Door Lock with Handle, Fingerprint Door Knob, Keyless Entry Door Lock for Front Door and Bedrooms, Electronic Deadbolt, Wi-Fi, Remote App Control, IP53 Waterproof, Nickel
eufy Security

eufy Smart Lock C33, Keypad Door Lock with Handle, Fingerprint Door Knob, Keyless Entry Door Lock for Front Door and Bedrooms, Electronic Deadbolt, Wi-Fi, Remote App Control, IP53 Waterproof, Nickel

4.2(623 reviews, all variants)
entry plus$100-$149
#5,380 in Tools & Home Improvement#3 in Security & Surveillance Biometrics
wifi
Wi-Fi
smart
Smart
control
Touch
material
Metal (Nickel finish)
lock type
Deadbolt
connectivity
Wi-Fi
special feature
Auto-Lock

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AI Verdict

This is a Wi-Fi enabled lever-style smart lock with fingerprint and keypad access, designed for interior or secondary exterior doors needing handle-based security, not a traditional deadbolt.

Situational Fit

This lock is a situational fit because its lever-style design and IP53 weather resistance make it suitable for specific door types like interior or covered exterior entrances, but not for primary security where a dedicated deadbolt is preferred. The integrated Wi-Fi and fingerprint access offer convenience, but the lack of broader smart home integration limits its appeal for some setups.

If you need a primary exterior door lock with higher security, look for models explicitly featuring a ANSI Grade 1 or 2 deadbolt mechanism.

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
22/35

Issues discovered after purchase

Achilles' Heel
0/25

Critically weak dimension

Expectation Gap
4/20

Amazon rating vs actual quality

Fit Risk
11/20

Chance this product isn't for you

BuyChoice Score
3.4

Pros

  • Unlocks instantly with fingerprint recognition, storing up to 50 unique prints.
  • Integrated Wi-Fi allows remote control, real-time notifications, and event history via the app.
  • Installs in approximately 15 minutes without requiring drilling, compatible with left- and right-hand doors.
  • Powered by 8 AA batteries, providing up to 12 months of operation before replacement.
  • Features an IP53 waterproof rating, offering protection against dust and water splashes.
  • Includes a scramble passcode function to deter onlookers when entering codes.

Cons

  • The auto-lock feature, while adjustable, can be inconvenient on high-traffic doors and may impact battery longevity if not configured.
  • Emergency key and USB-C power port are located on top, potentially exposing them to elements if not under cover.
  • Not compatible with major smart home ecosystems like Apple HomeKit, IFTTT, or Matter.
  • Functions as a lever handle lock, replacing a door handle, rather than a traditional deadbolt.

Dimension Scores

Detection Accuracy8/10

The fingerprint recognition is described as seamless and fast, adapting to usage for instant unlocking.

Connectivity & Range7/10

Integrated Wi-Fi provides remote access and control from anywhere, but the lack of broader smart home ecosystem support is a limitation.

App & Integration6/10

The app offers access management, real-time notifications, event history, and configurable auto-lock settings, but lacks compatibility with major third-party smart home platforms.

Build & Weather Resistance6/10

Constructed from metal with a nickel finish and an IP53 waterproof rating, offering protection against dust and splashing water, but not full submersion or heavy rain.

Best For

  • Interior doors in a home or office where keyless entry and remote monitoring are desired.
  • Secondary exterior doors like garage, side, or basement entrances that are covered from direct weather exposure.
  • Households seeking quick, fingerprint-based access for multiple family members (up to 50 fingerprints).
  • Users who prioritize straightforward installation without modifying existing door structures.

Not Recommended For

  • Primary exterior doors requiring the enhanced security of a traditional deadbolt.
  • Environments where direct, prolonged exposure to heavy rain or harsh weather is expected.
  • Users who require integration with Apple HomeKit, IFTTT, or Matter smart home platforms.

Watch Out For

  • The product is a lever-style lock, not a traditional deadbolt, despite the title including 'Electronic Deadbolt'. This means it replaces your door handle, not the separate deadbolt mechanism.
  • The auto-lock feature, while configurable for delays from 2 seconds to 60 minutes, can be frustrating on frequently used doors and may lead to faster battery drain if set to short intervals.
  • The emergency key and USB-C port are positioned on the top of the handle, which a user noted could allow water ingress if the lock is installed on an uncovered door.
  • Battery life, stated as up to 12 months, is based on typical usage and may be reduced by frequent auto-locking or high traffic.

Full Specifications

UPC194644218508
ASINB0DKFBX75P
Brandeufy Security
ColorNickel
ShapeRectangular
StyleContemporary
FinishNickel
MaterialMetal (Nickel finish)
Lock TypeDeadbolt
Model NameT85L0
Finish TypeNickel
Item Weight4.2 pounds
Part NumberT85L0
ManufacturerAnker
Control MethodTouch
Special FeatureAuto-Lock
Number of Pieces1
Special FeaturesAuto-Lock
Battery Cell TypeAlkaline
Item model numberT85L0
Product Dimensions7.24 x 6.06 x 5.12 inches
Batteries Included?Yes
Batteries Required?Yes
Included ComponentsLock
Connectivity ProtocolWi-Fi
Item dimensions L x W x H7.24 x 6.06 x 5.12 inches
Recommended Uses For ProductResidential, Commercial

What Buyers Say

Many users found the installation process surprisingly easy, often completing it in about 15 minutes without needing to drill new holes. The fingerprint scanner consistently receives praise for its speed and accuracy, making daily entry convenient. However, the auto-lock feature, while adjustable, can be a point of frustration for some, particularly on doors with frequent traffic, potentially leading to quicker battery depletion. There's also some confusion among buyers regarding its function as a lever handle lock versus a traditional deadbolt, which is a key distinction for security expectations.

“Man, I thought this was a deadbolt, but it's just a handle lock. Still, the fingerprint thing is super fast and install was a breeze, but that auto-lock is driving me nuts on the garage door, gotta keep turning it off.”

Common Praise

  • Fingerprint recognition unlocks the door quickly and reliably.
  • Installation is straightforward and can be completed in about 15 minutes without drilling.
  • Wi-Fi connectivity allows for remote locking/unlocking and monitoring through the app.
  • The handle can be reversed to fit both left- and right-hand doors.
  • The scramble passcode feature adds a layer of privacy when entering codes.
  • Emergency physical key and USB-C port provide backup access if batteries deplete.

Common Complaints

  • The auto-lock function can be annoying on doors used frequently, even with adjustable timing.
  • The placement of the emergency key and USB-C port on top could expose them to weather on uncovered doors.
  • It functions as a handle lock, replacing a door handle, not a separate deadbolt, which some buyers found misleading.
  • Lack of compatibility with popular smart home ecosystems like HomeKit, IFTTT, or Matter.

Ownership Tips

  • The auto-lock timing can be adjusted in the app, with options from 2 seconds to 60 minutes, or scheduled for specific times.
  • The lock stores up to 50 fingerprints and 100 passcodes, which is plenty for a family or small office.
  • You can enable a 'privacy mode' in the app, which prevents unlocking from the outside.
  • The lock provides notifications when the battery level drops below 20%.

Frequently Asked Questions

What type of lock is this, a deadbolt or a handle lock?

This is a lever-style handle lock, designed to replace your existing door handle. It is not a traditional deadbolt, despite the product title.

How is the lock powered?

The lock is powered by 8 AA batteries, which are included. It can operate for up to 12 months on a single set of batteries.

What happens if the batteries die?

You will receive low-battery notifications when power drops below 20%. If the batteries completely die, you can use a physical key or provide temporary power via a USB-C port for emergency access.

Can I install this lock on any door?

It's compatible with wood or metal doors with a thickness between 1 3/8 inches and 2 1/6 inches. It works with standard bore hole diameters of 2 1/8 inches and backsets of 2 3/8 inches or 2 3/4 inches.

Does it integrate with other smart home systems?

Currently, it is not compatible with Apple HomeKit, IFTTT, or Matter. It does integrate with eufy Video Doorbells and eufy Security Cameras.

Buying Guide

When looking at smart locks, you need to decide if you want to replace your existing door handle, your deadbolt, or both. This eufy C33 replaces your door handle and offers keyless entry via fingerprint, keypad, or app. If you're looking for primary security, you usually want a dedicated deadbolt, which this isn't. Also, consider where you're putting it; an IP53 rating means it can handle some splashes, but not being directly rained on all day.

Lock Type: Lever Handle

Connectivity: Wi-Fi

IP53 Waterproof

Powered by 8 AA Batteries

Alternatives

If this lock doesn't fit your needs, look for smart locks explicitly labeled as 'deadbolt' replacements for primary security, or models with higher IP ratings (e.g., IP65 or IP66) for exposed outdoor use.

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