The 8 Best Biometric Door Locks

Updated October 20, 2017 by Daniel Imperiale

8 Best Biometric Door Locks
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We spent 43 hours on research, videography, and editing, to review the top choices for this wiki. If you're looking to take advantage of the latest technology to secure your home or business premises, you may wish to examine these biometric door locks. Rather than using a key, they enable users to enter a building using a fingerprint, making them virtually pick-proof. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best biometric door lock on Amazon.

8. Assa Abloy Digi's 6600-98

Assa Abloy Digi's 6600-98 biometric door lock has a sliding cover to shield both the fingerprint sensor and the keypad buttons from the elements. Those buttons are divided up onto either side of the lock to increase the security of your pass code if someone tries to watch.
  • motorless drive unit to unlock bolt
  • keypad shuts down after 3 failures
  • scanner is sensitive to humidity
Brand Assa Abloy Digi
Model 6600-98
Weight 5.6 pounds
Rating 3.7 / 5.0

7. ZKTeco PL10B

The ZKTeco PL10B Bluetooth compatible biometric door lock uses your cell phone as readily as your fingerprint for easy entry into your space. You can also assign safety levels to different users, limiting how much data is visible on certain devices.
  • works with ios and android platforms
  • one-touch open button
  • confusing instructions included
Brand ZKTeco
Model PL10B
Weight 4.1 pounds
Rating 3.9 / 5.0

6. NextBolt NX4 by Actuator Systems

If you're concerned that a biometric lock will advertise to criminals the potential for high value loot in your space, the NextBolt NX4 by Actuator Systems is designed to look like any other deadbolt until you slide its top compartment up to reveal the biometric scanner.
  • weatherproof for outdoor use
  • impact alarm to ward off intruders
  • no coded entry system
Brand Actuator Systems
Model NX4SN
Weight 5.1 pounds
Rating 3.9 / 5.0

5. iTouchless Bio-Matic

The iTouchless Bio-Matic fingerprint door lock will perform up to 15,000 scans on a single set of four AA batteries. Toward the end of that cycle, a low battery warning alert will help prevent you from locking yourself out in the cold.
  • capacity for 150 fingerprints
  • automatically locks behind you
  • buttons are too small for big hands
Brand iTouchless
Model BM003R
Weight 5.8 pounds
Rating 4.2 / 5.0

4. Samsung's SHS-H700

Samsung's SHS-H700 is essentially the less expensive, turn-handle version of their SHS-P718. Other than a difference in the opening style and the compatible door thickness, however, you don't lose very many features by going with this model.
  • automatic sliding cover for keypad
  • mechanical override key
  • noisy when opening
Brand Samsung
Model SHS-5230
Weight 7.7 pounds
Rating 4.4 / 5.0

3. Ardwolf's A20

Ardwolf's A20 high-sensitivity door lock uses an auto-inductive sensor to get more accurate readings on fingerprint input. It also includes a random password protection feature that allows you to key in any numbers before or after your actual password to better conceal it.
  • software tracks user activity
  • passage mode for easy ins and outs
  • can't switch handle direction
Brand Ardwolf
Model pending
Weight 5.4 pounds
Rating 4.8 / 5.0

2. Adel's 3398

Adel's 3398 keyless biometric door lock installs with nothing more complicated than a screwdriver, making it an ideal choice for consumers with less than current technical knowledge or a desire to keep things simple. It's universal enough to fit almost any door.
  • left or right-handed installation
  • key-only entry option
  • zinc alloy body
Brand ADEL Group
Model 3398
Weight 7.2 pounds
Rating 4.5 / 5.0

1. Samsung SHS-P718

The Samsung SHS-P718 digital biometric door lock relies on the simplicity of pushing and pulling motions to open your door after you've unlocked it. In addition to the fingerprint scanner, a self-illuminating flatbed keypad allows you to program up to 12 digits of code.
  • stores up to 100 prints
  • works on 40-80 mm thick doors
  • locking notification on panel
Brand Samsung
Model SHS-P718
Weight 10.2 pounds
Rating 4.9 / 5.0

Fortifying Your Fortress With High-Tech Security

Most of us can probably relate to the inconvenience of accidentally leaving house keys somewhere, walking out of the house without remembering to take them in the first place, or simply having to fiddle with them while carrying bags of groceries on the way into the house. Any one of these situations compromises one's sense of ease and security. It is a stretch to claim that any single type of security is completely foolproof, as each option carries with it its own set of advantages and concerns. However, biometric recognition is one of the most technologically-advanced options to keep in mind when considering the safety of your home, family, and possessions.

While a mechanical lock involves the use of a metal key and an internal locking mechanism of tumblers, the biometric lock is a battery-powered security option that grants access by way of scanning, identifying, analyzing, and remembering a person's unique body traits, namely a fingerprint. The fingerprint is the primary form of identification that the lock uses to distinguish it from other, unauthorized fingerprints. When it is first scanned by the lock, it is converted into a numerical algorithm and saved to the device's internal database. When an user attempts to unlock the door, their fingerprint is scanned and compared with the data already stored within the biometric system. A match results in successful entry, while a non-match denies access entirely.

Biometric locks use many of the same types of scanning technologies as mobile devices, including: optical, capacitive, and ultrasonic. Incorporating an array of LEDs to capture a photo of a fingerprint, the optical scanner uses algorithms combined with areas of light and dark on a captured image to recognize surface patterns in the skin. The higher the resolution of an optical scanner, the greater its level of analysis.

The capacitive scanner also generates an image of a finger's ridges, but does so using an electric current composed of capacitor circuits that create an electronic mold of a fingerprint instead. This provides the scanner with more details about the nuances of the fingerprint for comparison, making it a more sophisticated option than its optical counterpart.

The ultrasonic scanner delivers the highest level of security possible through the use of its transmitter, receiver, and high-frequency sound waves. This scanner generates and transmits an ultrasonic pulse against a finger in order to penetrate the outer layers of the skin. A portion of this pulse is absorbed by the skin, while the rest of it bounces back to an internal sensor. The sensor calculates the intensity of this returning ultrasonic pulse at different points along the scanner. The longer the scanner spends capturing this data, the greater the range of depth that is analyzed, resulting in a highly-detailed, three-dimensional reproduction of a person's fingerprint for identification.

Considering Ease Of Use, Options, And Safety

Aside from eliminating the concern of misplaced house keys, biometric door locks offer several additional advantages. They are significantly more difficult to compromise then manual locks because they require a specific form of identification unique to the homeowner, making them an important addition to a home security system in areas with high crime rates.

Biometric locking systems are user-friendly, as they don't require complex programming to function, so finding a solution with a straightforward setup shouldn't be difficult. Unlike its traditional counterparts, the biometric system locks its corresponding door automatically, eliminating the chance of forgetting to lock the front door when leaving the house.

Your chosen biometric door lock should give you the option of using either its scanner or an on-board numerical keypad to gain access into your home. Keypad functionality provides an alternative if your fingerprint scanner malfunctions, allowing the device to be used like a keyless entry system.

Consider the number of people who will be coming into your home when investing in a lock. The majority of biometric door locks store up to 120 unique fingerprints to memory, which is helpful in situations where multiple family members or trusted friends are constantly coming and going. Also, keep the lock's battery power in mind and consider which option will work best for the expected foot traffic.

One should make note of the overall construction of the biometric lock, especially when planning to install the device outdoors. It should be engineered from durable materials that can withstand both tampering and severe weather.

A Brief History Of Biometric Door Locks

The concept of biometric recognition dates back thousands of years, beginning with evidence of cave walls being adorned with paintings from early human civilizations. These paintings were surrounded by hand prints thought to be a signature of their creators. There is also evidence of fingerprints having been used as identifiers as early as 500 B.C.E. to conduct and record Babylonian business transactions.

Practical considerations for use of the fingerprint as a forensic tool didn't evolve until the mid-19th century. British surgeon Dr. Henry Faulds used his studies of fingerprints found on prehistoric pottery to devise a form of biometric identification and classification from the artifacts. In 1880, Faulds sent his research to an ailing Sir Charles Darwin. Though Darwin couldn't assist directly, he forwarded Fauld's data to his cousin, Francis Galton. That same year, Faulds published the first paper on forensic fingerprinting as a means for personal identification.

In the decades following the rapid growth of cities during the Industrial Revolution, there arose the need for a formal classification system of identities from a criminal justice perspective. By 1903, the New York State Prison system began using fingerprints in the United States for identifying inmates.

Modern biometric identification systems have a relatively short history that spans the last few decades following the advancements in computer engineering during the 1960s. Since that time, the popularity of this technology has had the opportunity to grow to include systems capable of securing doors and even mobile devices.



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Last updated on October 20, 2017 by Daniel Imperiale

Daniel is a writer, actor, and director living in Los Angeles, CA. He spent a large portion of his 20s roaming the country in search of new experiences, taking on odd jobs in the strangest places, studying at incredible schools, and making art with empathy and curiosity.


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