Gavdhe Square Black Fingerprint Door Review (2026): A Spec-Based Look
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This gavdhe fingerprint door lock review covers the Gavdhe Square Black Fingerprint Door Knob. It is a biometric smart door knob that offers three access methods: fingerprint, app, or mechanical key. The lock stores up to 100 fingerprints and recognizes them in 0.3 seconds. You manage users and view logs via the Tuya Smart App. The unit measures 2.75 by 2.75 inches with a 5.6-inch length. It weighs 1.75 pounds and uses four AAA batteries for up to 12 months of power.
What stands out
- Stores up to 100 fingerprints with 0.3-second recognition speed.
- App control via Tuya Smart for remote management and logs.
- Auto-lock delay adjustable from 1 to 3 minutes.
- Interior lockable mode activated through the app for added security.
Who it fits
Good fit for
This lock suits renters or homeowners who want keyless entry without hardwiring. The 0.3-second recognition speed helps busy families enter quickly. App control allows you to grant temporary access to guests or service providers. The auto-lock feature ensures you do not forget to secure the door. If you already use Tuya Smart devices, this lock integrates easily into your existing setup for centralized management.
Who should skip it
Skip this option if you need voice unlock without extra hardware. The listing states that pairing with a gateway is sold separately to enable Alexa or Google Assistant control. It also lacks continuous charging; the Type-C port is only for emergency backup from a power bank. If you prefer a lock that charges via USB directly or includes voice control in the box, look for a different model.
Verdict: The Gavdhe Square Black Fingerprint Door Knob offers fast biometric entry and solid app management for standard residential doors. It is a practical choice for users who value speed and remote access without complex installation.
Gavdhe Fingerprint Lock Key Specs
Recognition Speed: 0.3s
The lock identifies your fingerprint in just three-tenths of a second. This speed allows you to enter without waiting or fumbling with keys. It matches the pace of daily traffic for families. Compare this to slower locks that take seconds, which can create bottlenecks at the door during busy mornings or evenings.
Fingerprint Capacity: 100
You can store up to one hundred unique fingerprints in the device. This capacity supports large households with multiple adults, teenagers, and regular guests. It also allows for backup entries in case primary users forget their code. When shopping, check if other locks offer fewer slots, which may limit future users.
Access Methods: Fingerprint, app, mechanical key
You can unlock the door using your biometric data, a smartphone app, or a physical key. This variety ensures you are never locked out if your phone dies or the app glitches. The mechanical key serves as a reliable fallback. Compare this to single-method locks that leave you vulnerable if one system fails.
Auto-Lock Delay: 1–3 min
The lock engages automatically between one and three minutes after closing. This feature ensures the door is secured even if you forget to lock it manually. You can adjust the timing to fit your habits. This is distinct from manual locks that require you to turn a knob, reducing the risk of accidental entry.
Design and Build Overview
The Gavdhe Square Black Fingerprint Door Knob presents a straightforward, functional design. According to the listing, the unit measures 2.75 inches in width and height, with a length of 5.6 inches. This compact footprint ensures it fits standard door preparations without requiring major modifications. The finish is black, which helps it blend with modern hardware styles while concealing minor scuffs better than lighter colors. You get the knob itself as the included hardware, meaning you receive the primary interface for access.
Weight is listed at 1.75 pounds. This mass suggests a solid construction that feels stable when you turn the handle. It does not feel flimsy or lightweight. The layout is simple, focusing on the biometric sensor and the mechanical keyhole. There are no complex panels or extra buttons on the exterior face. This minimalism reduces points of failure and keeps the surface easy to clean.
Controls are integrated directly into the knob’s design. The fingerprint sensor is positioned for natural thumb placement. You do not need to reach for separate switches. The mechanical key provides a backup that does not rely on batteries or Wi-Fi. This physical layout prioritizes ease of use. You can operate the lock with one hand, even if you are carrying packages. The design choices support quick entry without sacrificing security or aesthetic integration with your door.
Setup and Daily Operation Guide
You install the Gavdhe Square Black Fingerprint Door Knob as a standard interior or exterior handle. The unit weighs 1.75 pounds and fits standard door preparations. You connect the lock to the Tuya Smart App to manage access. The app allows you to store up to 100 fingerprints. Each fingerprint is recognized in 0.3 seconds, which means you can enter quickly without delay. You can also control the lock remotely if you pair it with the Gavdhe gateway, which is sold separately. This pairing enables hands-free unlocking via Alexa or Google Assistant. Daily use involves choosing your preferred entry method. You can use your fingerprint, the app, or a mechanical key. The app lets you view access logs and activate silent mode. You can set an auto-lock delay between 1 and 3 minutes. This ensures the door secures itself after you enter. For extra security, you can enable interior lockable mode via the app. This prevents outside unlocking except by an admin or mechanical key. Power comes from four AAA alkaline batteries, lasting up to 12 months. Low-battery alerts warn you before power runs out. A built-in Type-C port provides emergency backup using a power bank. This feature prevents you from being locked out if the batteries die. The system keeps your entry points secure and manageable through simple digital controls.
Before You Buy This Lock
This Gavdhe lock works well if you already use the Tuya Smart App. If you prefer a different ecosystem, check compatibility first. The listing notes that remote control and voice unlock require a separate Gavdhe gateway. You must buy this gateway separately to use Alexa or Google Assistant features. Without it, you only have local app control and physical access. You also need four AAA alkaline batteries for power. The lock uses a Type-C port for emergency backup, but this does not charge the batteries. It simply provides temporary power. The auto-lock feature is useful, but you should set the delay carefully. One to three minutes is available. You must ensure your door has the correct prep for this 2.75-inch knob. It fits standard preparations, but verify your door thickness and bore hole size. This lock is a solid choice for users who want biometric entry and app management without a complex wiring setup. It complements video doorbells by adding secure, keyless entry to your smart home routine.
Check before you buy
- Confirm your door has the correct bore hole for a 2.75-inch knob.
- Check if you already use the Tuya Smart App for other devices.
- Buy the separate Gavdhe gateway if you want remote or voice control.
- Ensure you have four AAA alkaline batteries ready for installation.
The product at a glance
Gavdhe Square Black Fingerprint Door Knob
Best for: Users wanting fast fingerprint entry and app control
- Access Methods
- Fingerprint, app, mechanical key
- Recognition Speed
- 0.3s
- Fingerprint Capacity
- 100
- Auto-Lock Delay
- 1–3 min
- App Compatibility
- Tuya Smart
- Color
- Black
View on Amazon: Gavdhe Square Black Fingerprint Door Knob Affiliate link
This Gavdhe smart door knob offers fingerprint, app, and mechanical key access. It stores 100 fingerprints with 0.3-second recognition speed. You can manage users via the Tuya Smart App and set auto-lock delays of 1 to 3 minutes. The black unit weighs 1.75 pounds. It runs on four AAA batteries for up to 12 months. This lock suits users who want biometric convenience and app control without complex wiring.
Pros
- Stores up to 100 fingerprints
- 0.3-second recognition speed
- App control via Tuya Smart
- Auto-lock delay of 1–3 minutes
- 12-month battery life
Cons
- Remote voice unlock requires a separately sold gateway
- Emergency Type-C port cannot charge batteries
- Interior lockable mode needs app activation
Good fit if
- You want fast fingerprint entry
- You prefer app-based user management
- You need a mechanical key backup
Skip if
- You want built-in remote voice control
- You need a rechargeable battery system
- You prefer a different color finish
Verdict: Gavdhe Square Black Fingerprint Door Lock delivers reliable biometric entry and app management for households that value speed and user tracking. It fits buyers who want a straightforward smart knob with long battery life.
Specifications side by side
| Spec | Gavdhe Square Black Fingerprint Door Knob |
|---|---|
| Access Methods | Fingerprint, app, mechanical key |
| Recognition Speed | 0.3s |
| Fingerprint Capacity | 100 |
| Auto-Lock Delay | 1–3 min |
| App Compatibility | Tuya Smart |
| Access Method | Fingerprint |
| Color | Black |
| Included Hardware | Knob |
| Dimensions | 5.6 × 2.75 × 2.75 inches |
| Weight | 1.75 pounds |
| Model | GDA01 Square |
Frequently asked questions
Does the Gavdhe fingerprint door lock work without Wi-Fi?
Yes, the lock operates independently for local access. You can enter using stored fingerprints or a mechanical key without an internet connection. However, app management and remote features require the Tuya Smart App. These advanced functions also need a separate gateway device, which is not included in the standard package.
How many fingerprints can this smart knob store?
The device stores up to 100 unique fingerprints. This capacity supports large households or shared rental properties. Each entry is recognized in 0.3 seconds, allowing for quick access. You can manage these user profiles directly through the connected mobile application for easy updates.
What are the physical dimensions of the Gavdhe knob?
The unit measures 2.75 inches in width and height. The length extends to 5.6 inches. It weighs 1.75 pounds. This compact design fits standard door preparations. The square black finish provides a modern look that blends with most exterior or interior door styles.
Is a separate gateway required for remote access?
Yes, remote control and voice unlock features require a separate Gavdhe gateway. The lock connects to the Tuya Smart App for local management. To enable features like remote unlocking or voice commands, you must purchase and install this additional gateway hardware alongside the main unit.
What access methods does this lock support?
The lock supports three primary access methods. You can use your fingerprint for biometric entry. You can also use the Tuya Smart App for digital control. Additionally, a mechanical key is included for traditional entry. This combination ensures you have multiple ways to secure and enter your home.
Can I use this lock with Alexa or Google Home?
Voice unlock capabilities are available through the Tuya Smart App ecosystem. These features require the separate Gavdhe gateway mentioned in the specifications. Once the gateway is installed, you can integrate the lock with compatible voice assistants. This allows for hands-free entry using voice commands.
Does the Gavdhe lock fit standard doors?
Yes, the unit is designed for standard door preparations. Its weight of 1.75 pounds and dimensions of 2.75 by 5.6 inches allow for easy installation. You can mount it as a standard interior or exterior handle. The included hardware simplifies the setup process for most residential doors.