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Keyless Entry Door Lock Fingerprint Door Lock Smart Lock

This biometric fingerprint door lock features a stunning luxury gold finish, making it the perfect decorative smart lock for interior doors like bedrooms or home offices. As a leading keyless entry door knob, it offers high-speed recognition in under 0.5 seconds and seamless app control for smart home integration. This heavy duty smart deadbolt alternative provides a DIY-friendly, no-drill installation for renters and homeowners alike, combining advanced security with a modern, sleek aesthetic.
  • SML163

  • Degol

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Keyless Entry Door Lock Fingerprint Door Lock Smart Lock


This biometric gold knob offers secure, keyless entry with fast fingerprint recognition and easy installation


We accept customized product sizes


This biometric fingerprint door lock features a stunning luxury gold finish, making it the perfect decorative smart lock for interior doors like bedrooms or home offices. As a leading keyless entry door knob, it offers high-speed recognition in under 0.5 seconds and seamless app control for smart home integration. This heavy duty smart deadbolt alternative provides a DIY-friendly, no-drill installation for renters and homeowners alike, combining advanced security with a modern, sleek aesthetic.


SML163


Item Technical Parameter Item Technical Parameter
Technical Specification The main board adopts Texas Instruments (TI) sensing chip. Working Voltage 6V, 4 - piece high - energy alkaline battery
Manufacturing Process Die - cast from high - quality zinc - alloy and then undergoes surface treatment. Static Power Consumption <30 microamps
Surface Technology Vacuum - ion electroplating Dynamic Power Consumption Approximately 200 milliamps
System Logic Anti - shock mechanism Battery Life Can be continuously opened more than 10,000 times under normal conditions
Storage Capacity 32 bytes Low - voltage Indication Can still unlock more than 200 times when the voltage is lower than 4.8V
Card - reading Method Non - contact inductive Installation Requirement Automatically locks when the door handle is shaken or the door is opened and closed once.
Card Type EM card (common type), S5557 card, M1 card, MIFARE card Unlocking Method For doors with a thickness of 10mm or more. Please note when ordering metal doors.


Introduction to Fingerprint Locks:

Security and Anti - theft: Fingerprints are uniquely identifiable, providing extremely high security and anti - theft capabilities.

Application Scope: It has an extremely wide application range, such as for the safekeeping of confidential documents in enterprises, bank safes, and home safes. It is also used for the safekeeping of valuables in places with high foot traffic.

Operation Modes: Fingerprint cabinet locks have both home and public modes, facilitating their use in various settings.



How To Installation?


1.Preparation: Remove your existing door knob. Check that your door thickness is between 35mm and 55mm and that the latch backset is either 60mm or 70mm.


2.Install the Latch: Insert the new latch into the door edge. Ensure the bevel (slanted side) faces the door frame so it clicks shut correctly. Secure it with the two provided small screws.


3.Mount the Exterior Knob: Feed the power cable from the front knob (the one with the fingerprint sensor) through the center of the latch. Align the square spindle with the latch hole and press the knob flush against the door.


4.Connect the Interior Knob: Feed the cable through to the interior handle. Connect the cable plug to the socket inside the rear handle. Align the handles and secure them together using the two long mounting bolts.


5.Power Up: Insert 4 AAA alkaline batteries into the compartment in the interior handle.


6. Final Test: Before closing the door, test the fingerprint sensor and the interior thumb-turn to ensure the latch moves smoothly.




Applicable Scenarios


1. Daily Unlocking

Fingerprint Entry: Simply place your registered finger on the sensor. The light will turn green, and you can turn the knob to enter in less than 0.5 seconds.

Mobile App: Open your paired app (like TTLock or Tuya) and tap the "Unlock" icon via Bluetooth.

Emergency Key: If the battery dies, remove the small magnetic cover on the front handle to reveal the hidden keyhole and use the physical key.


2. Managing Access

Adding Users: Use the app to register family members' fingerprints or generate Temporary Passcodes for guests or cleaners.

Passage Mode: If you are having a party and want the door to stay unlocked, enable "Passage Mode" in the app settings so the knob turns freely without needing a fingerprint.


3. Power & Maintenance

Low Battery Alert: The lock will beep or flash red when power is low. You should replace the 4 AAA batteries immediately.

Emergency Jumpstart: If you are locked out with dead batteries, plug a USB-C power bank into the port at the bottom of the front handle to give it temporary power for one last entry.




Why It Stands Out


1. True DIY "Plug-and-Play" Installation

Unlike complex smart deadbolts that require professional help, this knob is designed for instant replacement. It fits into standard door holes, meaning you can upgrade your bedroom or office security in under 15 minutes using just a screwdriver. It is the perfect solution for renters or homeowners who want smart features without damaging their doors.


2. Advanced Biometric Precision

Equipped with a 360° Semiconductor Fingerprint Sensor, this lock offers bank-grade security. Unlike older optical sensors, it only recognizes live biological features, preventing fraud from fake fingerprints. It boasts an ultra-fast recognition speed of less than 0.5 seconds, ensuring a smooth "touch-and-go" experience for all ages.


3. Smart App Ecosystem (TTLock / Tuya)

This lock integrates into your smart home via Bluetooth, giving you total control through your smartphone:

Remote Access Management: Generate temporary passcodes for guests, cleaners, or contractors even when you aren't home.

Activity Monitoring: Keep a digital log of exactly who entered the room and at what time.

Passage Mode: Easily switch to an "unlocked" state during parties or high-traffic hours via the app.


4. Zero "Lock-Out" Anxiety

Degol has engineered multiple safety nets to ensure you are never stranded:

Emergency USB-C Port: If the 4 AAA batteries die, simply plug in a portable power bank to jumpstart the lock and enter your fingerprint.

Hidden Mechanical Keys: For ultimate peace of mind, two physical backup keys are included, with a hidden keyhole located discreetly on the front handle.




Where To Buy?

Welcome to contact us

Custom Support & Sale:+86-750-3915520

Phone:+86 13725946499

E-mail:info@degolhardware.com

Address: Building 2, No. 898 Jiangmen Avenue Middle, Pengjiang District, Jiangmen CityGuangdong, China 529000





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Since 2012
800 m² headquarters,
50,000m² workplace
Mainly produces :
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  Address: Floor 5, Building 2, No. 898 Jiangmen Avenue Middle, Pengjiang District, Jiangmen CityGuangdong, China 529000
  Custom Support & Sale: +86-750-3915520
  Phone: +86 13725946499
  Email: info@degolhardware.com
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