A key you cannot forget or lose: your fingerprint. Electronic fingerprint door locks let you unlock your door without a traditional key. A quick scan is all it takes.
But how do fingerprint locks work, how secure are they, can you retrofit an existing front door, and which solution suits your home, office or vacation rental?
This guide covers what matters.
What is a fingerprint door lock?
A fingerprint door lock is an electronic access solution that uses your fingerprint as an access credential.
Instead of inserting a key, you place your finger on a fingerprint sensor. If the system recognizes an enrolled fingerprint, it releases the door.
Depending on the system, fingerprints are not the only unlocking method. Modern electronic locks often combine fingerprints with smartphone apps, PIN codes and RFID tags. That means different users can choose different ways to enter.
How does a fingerprint door lock work?
First, an authorized person's fingerprint is enrolled in the system.
When the person returns, the sensor scans their finger and checks it against the saved credentials. If recognized, the electronic lock releases the door.
In daily use, there's no need to look for a key or take out your phone. Place your finger on the sensor and open the door.
This is especially useful for people who need regular access, such as family members, employees or residents.
How secure is a fingerprint door lock?
Security has two aspects: the physical security of the door and electronic access control.
Fingerprint recognition replaces the traditional method of proving authorization with a key. One practical advantage is that you cannot leave your fingerprint at home or accidentally hand it to someone like a physical key.
However, overall door security does not depend on the sensor alone. The door, fittings, locking cylinder and specific electronic system all play important roles. Consider fingerprint access as one component of a complete locking solution.
For more information, read our electronic door lock guide.
What are the benefits of fingerprint entry?
No key required
There's no need to carry, search for or distribute physical keys to family or employees.
No smartphone required
You can unlock directly with your fingerprint without opening an app or taking out your phone.
Fast entry
Place your finger on the sensor and unlock. It's especially convenient for frequently used doors.
Individual permissions
Depending on the system, multiple fingerprints and users can be registered so each person has their own access.
Part of a digital access system
Fingerprint entry can be combined with other methods. For example, family members may use fingerprints while guests receive PIN codes or RFID credentials.
Can you retrofit a fingerprint lock?
Yes. You don't necessarily need a new door to add fingerprint entry.
There are several ways to upgrade an existing door. The best option depends on your door and intended use.
One option is an electronic digital cylinder that replaces the mechanical cylinder. Another is a smart door handle with an integrated fingerprint sensor.
ELCON access solutions are designed to retrofit existing doors. Depending on the product, installation often takes only minutes, and compatible systems can be removed without leaving permanent marks.
For door requirements and practical considerations, read our smart lock retrofit guide.
Fingerprint, PIN, RFID or app: Which is best?
There isn't one universal best unlocking method. The right choice depends on who uses the door and in what circumstances.
Fingerprint: Particularly convenient for regular users, without a key, phone or code.
PIN code: Useful for granting temporary access without handing over a physical key.
RFID: Suitable for employees and other regular users carrying an RFID tag. Learn more in our RFID and NFC key card lock guide.
App: Enables digital administration and, depending on the system, other access management functions.
Combining different methods is often the most flexible choice.
Who benefits from fingerprint door locks?
Homes and apartments
Fingerprint entry can be particularly convenient for families. Everyone can enter without carrying their own house key, making it useful for children who might otherwise lose one.
Explore smart locks for homes.
Offices and businesses
Businesses can use fingerprint entry to authorize selected employees for certain areas. Larger teams may also benefit from PIN, RFID or other digital credentials.
Explore smart locks for businesses.
Apartments and vacation rentals
Guest turnover is important in vacation rentals. Fingerprints may be convenient for operators or employees, while guests can receive time-limited PIN codes or other digital access.
Explore smart locks for hotels and vacation rentals.
Which ELCON solutions offer fingerprint access?
ELCON offers different electronic entry solutions with fingerprint recognition. The right model depends mainly on your door and intended use.
EL20 digital cylinder
The EL20 digital cylinder combines several unlocking methods. Alongside fingerprint entry, access can be managed through the ELCON smartACCESS app, PIN and RFID tag.
The EL20 is suitable when you want to replace an existing mechanical cylinder with a digital one.
ELCON smartHANDLE
The ELCON smartHANDLE is a smart door handle especially suited to interior doors. Unlock using a fingerprint, the smartACCESS app, PIN or RFID.
This makes it useful for offices, workrooms and other interior areas.
EL31 smart door handle
The EL31 is a smart door handle for hotels, offices, apartments, vacation rentals and commercial interiors.
It comes in versions with or without fingerprint recognition, so you can choose according to your needs.
EL3 smart door handle
The EL3 is also available with and without fingerprint recognition. Depending on the version and configuration, it offers multiple keyless access methods for different entry scenarios.
What should you consider when buying a fingerprint door lock?
Don't focus only on the fingerprint sensor. Think about the full setup:
Door compatibility: Does the solution fit your cylinder, door handle and door dimensions?
Other entry methods: Do you also want to use an app, PIN or RFID?
Number and type of users: Families, offices and vacation rentals have different requirements.
Installation: Can the system be retrofitted without major changes to the existing door?
Access management: If many people need access, make sure permissions are easy to administer.
The key question isn't just “Which fingerprint lock is best?” but “Which access solution fits my door and daily life?”
Frequently asked questions about fingerprint door locks
Can I unlock my front door with a fingerprint?
Yes, if a suitable electronic entry system with a fingerprint sensor is installed. Compatibility depends on the door, cylinder and fittings.
Can I retrofit a fingerprint door lock?
Yes. Digital cylinders and electronic door handles can add fingerprint entry to existing doors. ELCON offers retrofit solutions.
Do fingerprint locks need Wi-Fi?
Not necessarily. Whether internet or network connectivity is required depends on the product and any additional features you want.
Will the door lock work without a smartphone?
Yes. With an enrolled fingerprint, a fingerprint-enabled system can unlock the door directly without a smartphone.
What if my fingerprint isn't recognized?
Alternative unlocking methods depend on the model. Some ELCON solutions also support app, PIN or RFID entry.
Can multiple people register fingerprints?
Depending on the product, electronic access solutions can manage multiple users and credentials. Exact capacities vary by model.
Is fingerprint recognition better than a PIN?
Both have benefits. Fingerprints suit regular users, while PINs can be practical for guests or changing users. Combining methods is often useful.
Are fingerprint locks suitable for children?
Fingerprint entry can be convenient for families since children don't need to carry a physical key. Suitability depends on the specific product and use case.
Can I use a fingerprint lock in a rental apartment?
That depends on the door and the chosen device. Solutions that can be installed without permanent modifications and later removed are particularly attractive.
Which ELCON fingerprint lock fits my door?
That depends on your door, current locking system and intended use. ELCON offers digital cylinders and smart door handles with fingerprint entry. Use our smart lock configurator to find a suitable model.
Conclusion: Fingerprint access makes keys optional
A fingerprint door lock makes daily access especially convenient. You don't need a traditional key or to take out your smartphone to unlock the door.
Fingerprint recognition can also be combined with PINs, RFID or app access.
There are several ways to retrofit existing doors, from digital cylinders to smart door handles. The best option depends on the door and the intended application.
