• Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom

Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom

No.PST-DDL4-TY
  • 8-in-1 unlocking: 3D face, palm print, fingerprint, password, IC/NFC, APP, video call, mechanical key.
  • 3D face recognition for fast, secure hands-free access.
  • HD visual intercom & video call to verify visitors remotely.
  • ≤1s semiconductor fingerprint recognition (99% accuracy).
  • Anti-peeping virtual password to protect privacy.
  • Tuya Smart WiFi remote control & temporary password generation.
  • 4200mAh large capacity lithium battery with Type-C charging.
  • Intelligent alarm for anti-warping, tamper error & low voltage.
  • 4.5-inch HD screen for clear visual monitoring.
  • Automatic locking for convenience & security.
  • Real-time door access logs & push notifications.
  • Smart home linkage with Tuya ecosystem.
  • Invisible keyhole for emergency access.
  • Compatible with 50-80mm thick doors.
  • Multi-language is supported. 
  • Extra charge: 6068 Lock body, RF433 Remote Controller. 
  • Can remote active unlocking from App direcly. two-way active intercom.
Lock body:
6068 Lock boby: USD3
No lock body
Remote controller function:
Add: 5USD
Don't Add
Remote controller:
Remote Controller(50M): 4USD
Remote Controller(300-400M): 8USD
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom
  • Tuya Smart WiFi Fingerprint Door Lock with 3D Face Recognition, Palm Print & Visual Intercom

Description

PST-DDL4-TY Specifications
Product Name Tuya Smart WiFi Fingerprint Door Lock 3D Face & Video Intercom & Palm & Peephole
APP Name Tuya Smart or Smart Life
Default Color Black
Material Aluminum alloy + tempered glass panel
Unlock Way Fingerprint, password, card, key, temporary password, remote, face scan, palm print
Screen Size 4.5-inch integrated screen
3D Face Camera 2.0-megapixel camera
Remote active unlocking Can remote active unlocking from App direcly
System Capacity in total support 300: 3 admin + 297 users: 1. Face and palm max 50;  2. fingerprint max 100; 
Power Supply 7.4V 4200mA Lithium battery
Emergency Power 5V Type-C DC
Standby Current Lower than 80uA
Door thickness 50-80mm
Product Size Front lock: 410mm*76mm*55mm, rear lock: 416mm*77mm*73mm
Compatible Lock Body 6068 (Not included)
Multi-Language Chinese, English, Vietnamese, Portuguese, Arabic, Russian, Thai, Spanish, Indonesian
3D Face Recognition 0.3s recognition speed, 99.9% accuracy, works in low light (0.1-1000 lux)
Remote Control Unlock, lock, access log view, temporary password generation via app
Anti-peep PIN Supports random digits before/after real PIN to prevent snooping
Update hot function The battery cover now is touchscreen. without it, the door lock doesn't affect normal use
Optional RF433 remote controller
WiFi Standards IEEE 802.11 b/n/g 2.4G Hz
Operation Temp. –10°C to +50°C
Humidity 5%--95% non-condensing
Unit Box Dimension 462×262×130cm
Unit Weight 3.1kg(Not include lock body)
Carton Packing 6PCS/Ctn
PST-DDL4-TY Package List
Fingerprint Door Lock x1
Key x2
ID Card x2
Use Manual x1
PST-DDL4-TY Product FAQ
Q1: What is this product?
A: It’s a smart door lock with multiple unlocking methods, integrated into Tuya/Smart Life ecosystems, suitable for doors with specific lock body hole spacings.
Q2: What languages does it support?
A: check the commands as following:
555666888#
Chinese
555666880#
English
555666881#
Vietnamese
555666882#
Portuguese
555666883#
Arabic
555666884#
Russian
555666885#
Thai
555666886#
Spanish
555666887#
Indonesian
Q3: Can I add temporary users?
A: Yes! Use the Tuya/Smart Life app to create temporary passwords or swipe cards for guests, then delete access later.
Q4: Which apps control this lock?
A: Smart Life, or Tuya App—all allow remote management (unlocking records, user access, etc.).
Q5: Does it support 5GHz WiFi?
A: No, only 2.4GHz WiFi (common for Tuya smart devices).
Q6: Can I unlock it remotely?
A: Yes, via the app (requires WiFi/network connection for remote access).
Q7: Does it work with other Tuya devices?
A: Yes! Integrate it into smart scenes (e.g., “Away Mode” arms the lock and triggers security cameras).
Q8: What alarm functions does it have?
A: It includes alarms for wrong passwords, forced opening, and low battery.
Q9: Can I generate temporary passwords?
A: Yes, you can create temporary passwords via the app for guests or short-term access.
Q10: Can I share the smart lock with family members?
Yes, you can easily share the device among family members via the app.
Q11: What’s the screen for?
A: The screen shows visitor previews (monitoring function) and unlock statuses.
Q12: Can I check the lock status remotely?
A: Yes, the app shows real-time status (locked/unlocked) and sends notifications for lock/unlock events.
Q13:Can it be used on wooden/metal doors?
A: Yes, it’s compatible with most standard wooden, metal, and composite doors (check door thickness requirements).
Q14. Can I delete a user’s access?
A: Yes—remove their face, fingerprint, password, or card via the app.
Q15. Face unlock isn’t working—what to do?
A: Ensure proper lighting, re - enroll the face, or reset the lock (follow the manual for reset steps).
Q16. App can’t connect to the lock—why?
A: Check WiFi (2.4GHz only), reset the lock’s network, or ensure the app and lock firmware are updated.
Q17. Fingerprint sensor is slow—how to fix?
A: Clean the sensor (no moisture/dust), re - enroll the fingerprint for better accuracy.
Q18. Can it be used for commercial doors?
A: Yes, as long as the door’s lock body and thickness match. Ideal for small businesses needing basic access control.
Q19:  Can I use it in cold climates?
A: Aluminum alloy handles cold well, but extreme temperatures may affect battery/electronics. Test in your environment.
Q20: Will I receive real-time alerts?
Yes, it sends real-time alerts to ensure safety.
PST-DDL4-TY OEM & ODM Service
Q21. Can make OEM?
A: Yes, we can.
Box & manual OEM: 1000PCS: free;    500PCS: 1USD/Box;
Laser logo OEM: 100PCS: 1USD/PCS extra;
Power on screen Logo: 50PCS.