Linkthai YSZ30 Wi-Fi Fingerprint Smart Door Lock

1 / 7

Product guide

Linkthai YSZ30 Wi-Fi Fingerprint Smart Door Lock

Linkthai YSZ30 is a Wi-Fi smart door lock with fingerprint, keypad, card, physical-key and app entry options. Its listed access capacity and remote features suit households or rental hosts, while mixed customer feedback on reliability and fingerprint recognition is worth considering.

At a glance

Five claimed entry options include fingerprint, IC card, password, physical key and smartphone app.
The listing states capacity for 100 fingerprint IDs, 100 IC cards and 100 password sets.
App features are claimed to include remote unlocking, temporary passwords, entry logs and real-time alerts.
Auto-lock, an alarm and a five-minute lockdown after five failed attempts are listed.
The listing claims reversible handle orientation and a Type-C emergency charging port.

Price

$79.99Save 20%

Reference price: ~~$99.99~~

Price checked: Nov 13, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Smart Door Lock Knob Fingerprint Keypad Keyless Entry Lock for Front Door | Touchscreen Keypad, Electronic Digital Code for Front Door, App Remote Control, Easy Installation

$99.73

Pros and cons

Pros

Several entry methods provide alternatives to fingerprint access, including a physical key.
The listed user capacities may accommodate a larger household or rotating rental guests.
App-based temporary passwords and entry logs may help hosts manage access remotely, according to the listing.

Cons

Battery operation means access depends on maintaining the four listed AA batteries, although a Type-C emergency charging port is claimed.

Technical specifications

18 specifications

Identity
Brand	Linkthai
Model	LINKTHAI YSZ30
Lock type	Biometric, Keypad, cylindrical
Recommended use	Residential homes
Colour	Black
Finish	Brushed

Entry and connectivity
Wireless connection listed	Wi-Fi
Control method listed	Touch
Entry methods	5 Flexible Entry Methods: Unlock with fingerprint (100 IDs), IC card (100 IDs), password (100 sets), physical key, or smartphone app. Never worry about losing keys again.
Fingerprint capacity	100 IDs
Password capacity	100 sets

Materials and construction
Material	Alloy Steel
Dimensions	19.1 x 7.1 x 3 centimetres
Weight	1.65 kg
Pieces	1

Power and installation claims
Battery and stated life	Powered by 4xAA batteries (6-12 months life)
Emergency power	emergency Type-C charging port
Door fit claim	fits standard US/UK/EU doors (35-55mm thickness) and 54mm door lock hole

What to know before buying

Listing details to confirm

Listing details use inconsistent door-use descriptions, including exterior, interior, bedroom and front doors, and claim US/UK/EU fit for doors 35-55mm thick with a 54mm lock hole. Confirm the actual door preparation and intended use before purchase. The battery-life claim is 6-12 months without a stated usage basis. Remote app functions, alarm and auto-lock are listing claims, not independently confirmed here.

What’s in the box

Included

Lock body

Who is it for?

A good fit for

Households looking for fingerprint, keypad, card, key and app access options.
Rental hosts who may use temporary passwords and app access logs, subject to confirming the app functions and door fit.
Buyers whose door matches the listed 35-55mm thickness and 54mm lock-hole measurements.

Less suited to

Buyers who need independently established reliability or consistent fingerprint recognition, as customer feedback is mixed on both.
Buyers who cannot confirm that the listed dimensions and door-preparation requirements match their door.

Linkthai YSZ30 Wi-Fi Fingerprint Smart Door Lock · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 70 ratings

5 stars62%62%
4 stars13%13%
3 stars3%3%
2 stars5%5%
1 star17%17%

Customer feedback reports positive impressions of style, ease of use, security features and convenience, while reliability and fingerprint recognition draw mixed reactions. The latter concerns matter because fingerprint entry is one of this lock's central access methods. Feedback offers perceptions rather than confirmation of performance. The aggregate rating is generally positive but includes a meaningful one-star share, so it should not be read as uniform satisfaction.

Positive themes

Customers report positive impressions of the design, ease of use, security features and convenience.

Mixed feedback

Customers express mixed opinions about reliability and fingerprint recognition.

Frequently asked questions

What are the listed ways to unlock the Linkthai YSZ30?

The listing names fingerprint, IC card, password, physical key and smartphone app access. It claims capacity for 100 fingerprint IDs, 100 IC cards and 100 password sets.

Can it be controlled remotely?

The listing claims Wi-Fi app control, remote unlocking, temporary passwords, entry logs and real-time alerts. Confirm that the app functions meet your needs.

What doors does it fit?

The listing claims compatibility with doors 35-55mm thick and a 54mm lock hole, but also describes several different door uses. Check your door measurements and lock preparation.

What powers the lock?

The listing specifies four AA batteries and claims 6-12 months of battery life. It also lists an emergency Type-C charging port. Battery life will depend on conditions not detailed in the listing.