Welock Smart Lock Fingerprint Door Lock Review

14 Min Read

Any hyperlinks to on-line shops needs to be assumed to be associates. The firm or PR company gives all or most assessment samples. They don’t have any management over my content material, and I present my trustworthy opinion.

I’ve beforehand reviewed the pin code-based Welock SOHO-EU and was moderately pleased with it on the time. More importantly, I’ve left it put in on my storage/fitness center UPVC door for nearly two years, and it continues to work properly.

In my previous assessment, I wasn’t keen on the app and expressed some considerations over the encryption/safety. Since the assessment, I haven’t used the app, I depend on the PIN code or RFID tags, so the app hasn’t been an excessive amount of of a priority for me.

The safety claims are nonetheless a bit imprecise, with the the way it works part stating:

Use state-of-the-art banking-grade encryption know-how. Every communication with our good lock is encrypted and guarded.

The Welock Smart Lock makes use of Bluetooth Energy (BLE) know-how encryption, in addition to an extra encryption mode.

Perhaps I’m apathetic about safety, however the place I reside, it appears extra seemingly a felony could be extra more likely to put a brick by my window to interrupt in fairly than hack my good lock.

With these caveats out of the way in which, the Welock SECBN51 is very similar to the PIN code SOHO-EU, simply with a distinct unlock methodology.

Welock SECBN51 vs SECBR vs Touch41 vs Touch45

Welock SECBN51 Smart Fingerprint Door Lock Review 2Welock SECBN51 Smart Fingerprint Door Lock Review 2

One factor that originally confused me concerning the Welock merchandise was the completely different locks that gave the impression to be an identical. In this case, you will have 4 locks that supply the identical performance: the SECBN51, SECBR, Touch41, and Touch45.

Under the examine fashions part of the web site, you’ll be able to see how they differ.

Basically, the one distinction is the cylinder dimension and the place the sensor chip is manufactured, then the SECBR has a decrease IP score.

  • SECBN51
    • Sensor Chip: Made in Switzerland
    • Sensor Chip: Made in Switzerland
  • Touch41
    • Sensor Chip: Made in China
  • Touch45
    • Sensor Chip: Made in China

There isn’t any indication of which sensor is healthier; the locks price the Touch41 and SECBN51 the identical, however the Touch45 is €10 costlier.


  • The Welock SECBN51 good lock gives a number of handy unlocking choices, together with fingerprint recognition for as much as 100 registered fingerprints (with admin privileges for 3 prints), RFID card unlocking for as much as 20 paired playing cards, and cellular app management for iOS and Android gadgets. The lock cylinder is designed to suit commonplace doorways between 30-70mm thickness, and may accommodate thicker doorways as much as 100mm utilizing the included prolonged cylinder element, enabling straightforward retrofitting to most present doorways with out drilling.
  • An OLED show reveals battery degree, settings info, and alerts. Power comes from 3 x AAA batteries, offering an estimated 8-10 months of life based mostly on 10 unlocks per day. If batteries run out, there’s a USB backup unlocking choice utilizing an influence financial institution (word: the ability financial institution can’t cost the lock batteries).
  • Safety options embody electrostatic safety as much as 30,000 volts and an IP54 water resistance score, making the Welock appropriate for exterior doorways with roof protection. The lock mechanism permits the door to at all times be opened from inside for emergency exit. Durability is rated at as much as 10 million closing cycles. It capabilities in temperatures from -10°C to 60°C.
  • The retail field comprises 1x Welock SECBN51 digital lockset, 3 RFID playing cards for unlocking, a particular Allen key for servicing, 1x prolonged lock cylinder element to accommodate thicker doorways, and an instruction handbook with a 2-year guarantee. The lockset makes use of stainless-steel and zinc alloy elements.


Welock SECBN51 Smart Fingerprint Door Lock Review 1Welock SECBN51 Smart Fingerprint Door Lock Review 1

All the Welock good locks have an analogous design, which replaces the lock cylinder and, due to this fact, has no type of mechanical key backup, which some individuals discover disconcerting as you’ll be able to’t fall again onto your previous key if there may be some form of electrical failure with the lock. I haven’t had any good lock fail on me, so hopefully, this isn’t a major factor to fret about.

The electronics are all contained within the exterior knob, however this seems to be properly protected against the weather.

Welock SECBN51 Smart Fingerprint Door Lock Review 3Welock SECBN51 Smart Fingerprint Door Lock Review 3

With this lock, there may be an extra steel part that permits you to lengthen the width of the cylinder, which I wanted to make use of with my door.

Pulling the rubber tab down, the place the QR code is reveals a reset gap and a mircoUSB port for emergency energy. I’ve fashionable electronics utilizing mircoUSB, however on this case, you must not often want to make use of it.

To entry the batteries, it’s good to take away that holds the steel cowl in place.


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Fitting that is actually fairly easy, and anybody ought to be capable to do it. It is just not actually any completely different than changing a standard lock cylinder.

I’d advocate setting the lock-up with the app first, because the cylinder has the serial quantity on it, however it must also be on the packaging.

You then have to take away the locking screw in your door, and chances are you’ll wish to take away the interior deal with quickly. Then simply slide the lock into place and match the interior knob tightening it.

App & Fingerprint Set Up

Welock SECBN51 Smart Fingerprint Door Lock Review 5Welock SECBN51 Smart Fingerprint Door Lock Review 5

I didn’t learn the directions correctly at first, which made issues considerably more durable for me. I assumed I management all of the customers by the app, however it is a little more difficult than that.

For fingerprints, you don’t really want the app in any respect, however you undoubtedly want to verify to arrange an admin fingerprint as any fingerprint can unlock it till that is carried out.

To register the admin fingerprint, it’s good to:

  • Press the ability button for five seconds
  • Add admin fingerprint
  • Repress thrice to substantiate

This will assign a quantity to the fingerprint and also you then use the numbers inside the app whenever you wish to outline customers.

For subsequent fingerprints, you’ll repeat the method, however it’s good to authorise with an admin fingerprint earlier than it permits you to add anybody. When including new fingerprints, you’ll be able to choose both admin or person, and you’ve got as much as three admin fingerprints you’ll be able to add.

Adding the RFID card is simpler as you choose this inside the app then scan the QR code on the tag.

With the RFID playing cards, you’ll be able to simply outline a time frame they work for, which is helpful you probably have friends visiting.

Similar to the final assessment, I’m not eager on the app in any respect. But it’s useful, the Bluetooth unlock methodology works nice, and upon getting arrange your customers, you shouldn’t really want to make use of the app once more.

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Fingerprint & NFC Tag Unlocking Performance

I by no means actually used the NFC tag with my earlier lock, however I’d begin utilizing them extra usually as I discover this to be a fast and dependable solution to unlock the door.

For each strategies, it’s good to wake the lock first with the ability button. Then, with the RFID tag, simply faucet it flat on the lock, and it unlocks shortly and reliably.

Fingerprint unlocking is similar; you wake the lock, then contact the sensor, and it unlocks.

I’ve discovered the fingerprint unlocking a lot quicker and extra dependable than I had anticipated.

Much like your telephone fingerprint, the reliability reduces if the sensor or your finger is moist. Living within the north of England, this is the reason I most well-liked the concept of a PIN code as it’s extra moist than not. However, it’s not fairly as unhealthy as my telephone; with a fast wipe down, the sensor nonetheless works.

With each strategies, whenever you unlock the door, you’ll be knowledgeable which fingerprint or card quantity unlocked the door, so you’ll be able to simply audit which fingerprint or card was used to enter the property.  If you will have outlined customers and assigned fingerprint or card numbers, then you’ll be able to simply determine the one who has entered the property.

One essential distinction between this lock vs the PIN code lock is that you’re much less reliant on the terrible show. The show is unreadable in virtually all reasonably gentle circumstances; for the PIN-based lock, it may be tough to inform you probably have woken up the lock correctly or you probably have mistyped. With this, you simply press the ability and scan your fingerprint or RFID card, and it’ll beep to point if it labored or not; you don’t really want to see what’s on the display screen.


I haven’t used the lock lengthy sufficient to gauge precisely how lengthy the battery will final. For the Welock SOHO-EU, I’ve modified the batteries as soon as in two years, and I solely modified them as I used to be quickly putting in one other lock on the time.

I solely unlock/lock that door two instances per day (so 4 instances). The product web page states that with 3A batteries, you’ll be able to lock/unlock your door as much as 8000 instances. With ten opening/closing operations per day, meaning you’ll be able to count on 1 12 months of runtime from every battery set.

Price and Alternative Options

The Welock SECBN51 has an RRP of £165 however there’s a £42 off code taking it all the way down to £123.

Amazon doesn’t record the SECBN51, however they’ve the Touch41 for £179 with £40 off, so £139.

I’d say the Nuki + Nuki Keypad 2 is extra interesting as a product general. Nuki has established itself as a good good lock firm, and Nuki permits you to proceed utilizing your previous keys, because the gadget itself simply turns the lock. It is the Nuki Keypad 2.0 that gives the fingerprint unlock performance in addition to a PIN code. The draw back is that this then means you will have two gadgets that require batteries, and the 2 Nuki gadgets collectively price £282 in whole.


The Welock SECBN51 is a good, inexpensive fingerprint good lock.

It has points much like the PIN-based Welock SOHO-EU, with a poorly designed app that isn’t probably the most user-friendly and imprecise encryption/safety claims.

However, as soon as it was arrange, it labored reliably, and I’ve discovered I desire the fingerprint unlocking to be simpler than the PIN code.

With reductions, it’s priced across the identical value because the random manufacturers you discover on Amazon and if I wished an inexpensive fingerprint good lock, that is the choice I might personally get.

Welock SECBN51 Smart Fingerprint Door Lock Review


The Welock SECBN51 is a good, inexpensive fingerprint good lock.


  • Affordable
  • Easy to put in
  • Fast unlocking with each RFID and fingerprint


  • App is just not one of the best
  • Fingerprints can have issues in moist climate
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