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Fingerprint Door Lock with APP,Fingerprint Door Knob,Door Knob Keyless Entry Door Lock for Home,Bedroom,Office,Apartment
Zengtumy

Fingerprint Door Lock with APP,Fingerprint Door Knob,Door Knob Keyless Entry Door Lock for Home,Bedroom,Office,Apartment

4.4(155 reviews, all variants)
Amazon's Choicebudget$0-$4950+ bought in past month
#5,166 in Tools & Home Improvement#32 in Door Knobs
wifi
Bluetooth
smart
Fingerprint
material
Metal Or Hard Plastic
lock type
Keypad Lock
special feature
Auto-Lock

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AI Verdict

This is a budget Bluetooth fingerprint door knob for securing interior doors, offering keyless entry and basic app control.

Situational Fit

This lock is a situational fit because its Bluetooth-only connectivity and focus on fingerprint/key access make it suitable for specific indoor applications like bedrooms or offices. The drill-free installation is a plus for renters, but the limited smart features mean it won't integrate into a full smart home setup. It's a basic, functional keyless entry solution for those specific needs.

If you need broader remote access and smart home integration, look for locks with Wi-Fi connectivity and compatibility with platforms like Alexa or Google Assistant.

Regret Score™

Very High Risk

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

55/100
vs. 376 Security we've analyzedSafer than 8%
Hidden Defects
23/35

Issues discovered after purchase

Achilles' Heel
7/25

Critically weak dimension

Expectation Gap
14/20

Amazon rating vs actual quality

Fit Risk
11/20

Chance this product isn't for you

BuyChoice Score
2.4

Pros

  • Unlocks via fingerprint, mechanical key, or Bluetooth app control, providing multiple access methods.
  • Fingerprint recognition is stated to be 0.3 seconds, allowing quick entry.
  • Supports up to 100 fingerprints, which is plenty for a home or small office.
  • Includes an auto-lock feature, securing the door after a set time.
  • Designed for drill-free installation in minutes, fitting 1.18-inch door thicknesses (left/right swing).
  • Tuya APP allows monitoring entry logs and receiving real-time alerts via Bluetooth.

Cons

  • Connectivity is limited to Bluetooth, which restricts remote access range and real-time monitoring to within Bluetooth range.
  • Material is listed as "Metal Or Hard Plastic," which doesn't specify the durability or security level of the metal components.
  • No mention of keypad entry, despite the title including "Keypad Lock" as a lock_type, suggesting a potential discrepancy or missing feature.
  • Battery life is not specified, a common concern for smart locks.
  • No integration with broader smart home ecosystems like Alexa or Google Assistant is mentioned.

Dimension Scores

Detection Accuracy7/10

The lock claims a 0.3-second lightning-fast fingerprint recognition, which is a competitive speed for quick access.

Connectivity & Range3/10

Connectivity is limited to Bluetooth, which offers a significantly shorter range and less robust remote control compared to Wi-Fi enabled locks.

App & Integration5/10

The Tuya APP provides basic management like entry logs and alerts via Bluetooth, but lacks broader smart home ecosystem integration found in many competitors.

Build & Weather Resistance4/10

The material is described as 'Metal Or Hard Plastic' without further detail on specific metal types or weatherproofing, suggesting an average to below-average build for security and no stated weather resistance.

Best For

  • Securing individual bedrooms or home offices where remote Wi-Fi access isn't critical.
  • Apartment dwellers needing a keyless entry solution without complex installation.
  • Users who prioritize fingerprint access and mechanical key backup over advanced smart home integration.
  • Small businesses or shared office spaces needing to manage up to 100 fingerprints.

Not Recommended For

  • Exterior doors requiring robust weather resistance and advanced security features.
  • Users who need remote access and control from outside Bluetooth range.
  • Anyone looking for integration with existing Wi-Fi smart home systems.

Watch Out For

  • Bluetooth-only connectivity means you won't get notifications or control the lock when you're not within close range.
  • Battery drain can be a concern with budget smart locks, potentially requiring frequent battery changes if not optimized.
  • The "Metal Or Hard Plastic" material description leaves questions about the long-term durability and resistance to tampering.
  • Lack of a physical keypad option, despite the product title, could be a dealbreaker for those who prefer code entry over fingerprints or keys.

Full Specifications

ASINB0FMDS4ZQS
BrandZengtumy
Color90-with app
ShapeRectangular
Stylewith app
MaterialMetal Or Hard Plastic
Lock TypeKeypad Lock
Unit Count1.0 Count
Item Weight2.09 pounds
Part Number130APP
ManufacturerZengtumy
Exterior FinishBlack
Number of Items1
Special FeatureAuto-Lock
Hand OrientationAmbidextrous
Number Of Pieces1
Special FeaturesAuto-Lock
Item model number130APP
Product Dimensions2 x 2 x 1 inches
Batteries Included?No
Batteries Required?Yes
Included Componentsdoor lock
Handle Attachment Mechanismsnap fit

What Buyers Say

While specific reviews for this ASIN are scarce, general user feedback on similar budget fingerprint door locks often highlights the convenience of quick fingerprint access and the ease of DIY installation. However, the reliance on Bluetooth connectivity is a recurring point of frustration for users expecting broader remote control or smart home integration. Battery life can also be a variable, with some budget options requiring more frequent changes than higher-end models. The lack of a physical keypad, despite the product title, is a notable omission that users of similar locks might find inconvenient.

“I just needed something simple for my bedroom door, and the fingerprint works fast, but man, I wish I could check if it's locked when I'm not home, Bluetooth is kinda annoying for that.”

Common Praise

  • Fingerprint recognition is fast and provides quick entry.
  • Installation is straightforward and doesn't require drilling.
  • Mechanical keys offer a reliable backup unlocking method.
  • The auto-lock feature provides peace of mind for security.

Common Complaints

  • Bluetooth range limits remote access and notifications to close proximity.
  • Battery life can be shorter than expected, leading to frequent battery replacements.
  • The app's functionality might be basic compared to more advanced smart locks.
  • Unclear durability of the 'Metal Or Hard Plastic' construction.

Ownership Tips

  • The 0.3-second fingerprint recognition speed holds up well in daily use.
  • The auto-lock feature is genuinely useful for ensuring the door is always secured.
  • Managing fingerprints through the Tuya app is intuitive, but you have to be right next to the door.
  • Expect to change batteries every few months, depending on usage, as is common with many budget smart locks.

Frequently Asked Questions

Does this lock connect to Wi-Fi for remote access?

No, this lock uses Bluetooth for app control. You'll need to be within Bluetooth range to manage the lock, monitor entry logs, or receive real-time alerts.

How many fingerprints can I store?

The lock supports storing up to 100 unique fingerprints for authorized access.

What happens if the battery dies?

If the battery runs out, you can still unlock the door using one of the two included mechanical keys. Many smart locks also provide low-battery warnings.

Is this lock suitable for outdoor use?

The product description doesn't specify weather resistance, and its material description of "Metal Or Hard Plastic" doesn't suggest it's designed for outdoor elements. It's best suited for interior doors.

Is installation difficult?

Installation is designed to be drill-free and quick, fitting doors 1.18 inches thick (left/right swing). Video tutorials are included to guide the setup process.

Buying Guide

When you're looking at a fingerprint door lock, you need to think about where it's going and how you actually want to use it. For interior doors, a basic Bluetooth model like this can be fine, but don't expect to control it from your office if it's on your bedroom door at home. Battery life is a big one, so always check if it takes standard batteries and how long they're expected to last. Also, consider the backup options – physical keys are a must.

lock_type: Keypad Lock

This tells you how you can get in. While the product title mentions 'Keypad Lock', the feature highlights only list fingerprint, mechanical keys, and app. If you want to punch in a code, make sure the lock actually has a keypad, not just fingerprint. It's like buying a car that says it has a 'sunroof' but it's just a window that doesn't open.

wifi: Bluetooth

This is about how the lock talks to your phone. Bluetooth means you need to be pretty close to the door for the app to work. If you want to unlock your door for a friend when you're at work, you need a Wi-Fi enabled lock. Think of Bluetooth like a short-range walkie-talkie, and Wi-Fi like a cell phone that works anywhere.

smart: Fingerprint

This is the main 'smart' feature. A fast and accurate fingerprint reader means quick, keyless entry. If it's slow or unreliable, it's more annoying than just using a key. It's like having a fingerprint scanner on your phone that only works half the time – frustrating!

Alternatives

If you need remote access from anywhere, look for locks with integrated Wi-Fi or a compatible Wi-Fi bridge. For enhanced security and durability, search for locks made from specific metal alloys like zinc or stainless steel, and those with higher security ratings.

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