
EZVIZ DL20FVS Plus Smart Door Lock with 3D Face & Palm Vein Recognition
The EZVIZ DL20FVS Plus is an advanced AI-powered smart door lock that combines secure keyless entry with a built-in video door viewer. It supports 3D facial recognition, palm vein recognition, fingerprint, passcode, Bluetooth key, temporary codes, mechanical key and remote unlocking, giving every member of the household a convenient way to enter.

Designed with a classic lever-handle style, the DL20FVS Plus features a built-in camera with an ultra-wide viewing angle and a 4-inch indoor color screen, allowing you to see visitors directly from inside without using a smartphone. Through the EZVIZ App, you can also remotely unlock the door, check lock status, view the entrance and communicate with visitors.
Key Features
✦ 3D Facial Recognition – Fast AI-powered face recognition using 3D depth-sensing technology
✦ Palm Vein Recognition – Touchless unlocking by placing your palm in front of the sensor
✦ Fingerprint Unlocking – Convenient biometric access for family members
✦ Multiple Unlocking Methods – Face ID, palm vein, fingerprint, passcode, mechanical key and Bluetooth
✦ Remote Unlocking – Unlock and manage the door remotely through the EZVIZ App
✦ Temporary Access Codes – Create temporary codes for guests, services and deliveries
✦ Built-in Video Door Viewer – Monitor visitors directly from the smart lock
✦ 4-Inch Indoor Color Screen – View the entrance without needing a smartphone
✦ 132° Ultra-Wide View – Wide-angle monitoring of the area outside the door
✦ Two-Way Video Calling – Communicate with visitors remotely
✦ Voice Changer – Additional privacy feature during two-way communication
✦ Human Presence Detection – Built-in 5.8 GHz radar detects people near the door
✦ Wandering Detection – Alerts when someone lingers around the entrance
✦ IR Night Vision – Up to 2 m night vision
✦ Auto Locking – Automatically locks the door after closing
✦ Anti-Tamper Alarm – Sounds an alarm if the lock is forcibly removed
✦ Anti-Peeping Passcode – Helps prevent password observation
✦ Anti-Test Locking – Automatically locks after five consecutive failed passcode attempts
✦ C-Level Anti-Theft Cylinder – Enhanced mechanical security
✦ Local Biometric Processing – Biometric recognition data is processed locally on the device
✦ OTA Updates – Supports over-the-air software updates
Smart Entry Methods
✦ Face ID: Up to 50 users
✦ Palm Vein: Up to 50 users
✦ Fingerprint: Up to 50 sets
✦ Passcodes: Up to 50
✦ Bluetooth Keys: Supported through EZVIZ App
✦ Temporary Codes: Supported
✦ Mechanical Key: Supported
✦ Remote Unlock: Supported through EZVIZ App
Facial Recognition
✦ Technology: 3D facial recognition
✦ Recognition Speed: ≤1 second
✦ Recognition Distance: Standing distance below 1 m
✦ Supported Height: More than 1.2 m and less than 2 m
✦ Day/Night Recognition: Supported
✦ Glasses Recognition: Supported
✦ Hairstyle Changes: Supported
✦ False Acceptance Rate: ≤0.0001% under EZVIZ laboratory conditions
✦ False Rejection Rate: ≤0.1% under EZVIZ laboratory conditions
Palm Vein Recognition
✦ Recognition Distance: 15–25 cm
✦ Recognition Method: Palm-facing sensor
✦ Touchless Unlocking: Supported
✦ Local Processing: Supported
Built-in Camera & Door Viewer
✦ Camera Resolution: 1080 × 1960
✦ Horizontal Viewing Angle: 70°
✦ Vertical Viewing Angle: 126°
✦ Diagonal Viewing Angle: 150°
✦ IR Night Vision: Up to 2 m
✦ Video Calling: Supported
✦ Two-Way Audio: Supported
✦ Voice Changer: Supported
✦ Detection Video Replay: Supported
✦ Local Storage: Built-in 8 GB eMMC
✦ Cloud Storage: EZVIZ Cloud supported
Indoor Screen
✦ Screen Type: IPS
✦ Screen Size: 4 inches
✦ Resolution: 480 × 800
✦ Touchscreen: No
✦ Live View: Supported
✦ Visitor Monitoring: Supported
Smart Detection
✦ 5.8 GHz Radar Human Presence Sensor
✦ Human Presence Detection
✦ Wandering Detection
✦ Real-Time Activity Notifications
✦ Unlock Attempt Notifications
✦ Anti-Tamper Alerts
✦ Low-Battery Notifications
Connectivity
✦ Wi-Fi: 2.4 GHz
✦ Bluetooth: Supported
✦ EZVIZ App: Supported
✦ Remote Control: Supported
✦ Google Assistant: Supported via OTA
✦ Amazon Alexa: Supported via OTA
Security
✦ C-Level Anti-Theft Cylinder
✦ Anti-Peeping Passcodes
✦ Auto-Lock After 5 Failed Passcode Attempts
✦ Anti-Tamper Alarm
✦ Privacy Mode
✦ Local Biometric Data Processing
✦ AES Data Encryption
✦ TLS Data Transmission Encryption
✦ End-to-End Data Encryption
Power
✦ Battery: 5,000 mAh Rechargeable Lithium Battery
✦ Battery Life: Up to 4–5 months under Bluetooth-only operation and approximately 10 openings per day
✦ Emergency Charging: USB Type-C
✦ Low-Battery Warning: Supported
Battery life may be shorter when the lock remains connected to Wi-Fi because of additional network activity.
Physical Specifications
✦ Model: CS-DL20FVS Plus
✦ Color: Metallic Grey
✦ Panel Material: Aluminum Alloy
✦ Front Panel Size: 391.4 × 72.4 × 28.2 mm
✦ Rear Panel Size: 391.4 × 72.4 × 30 mm
✦ Lock Body: Automatic Mechanical Detection Lock Body 6068
✦ Lock Cylinder: C-Level Cylinder
✦ IP Rating: IP52
✦ Supported Door Thickness: 40–120 mm
✦ Emergency Charging: Type-C
✦ Operating Temperature: -10°C to 55°C
✦ Operating Humidity: 10%–95%
Durability
✦ Full Device Life Cycle: 100,000 cycles
✦ Neutral Salt Spray Test: 96 hours
✦ Air Electrostatic Discharge: 15 kV
✦ Temperature Testing: -10°C to 55°C
What's in the Box
✦ EZVIZ DL20FVS Plus Front Panel
✦ EZVIZ DL20FVS Plus Rear Panel
✦ 6068 Lock Body
✦ Hole Template
✦ Lock Body Screw Bag
✦ Standard Screw Bag
✦ Handing Screw Bag
✦ Rechargeable Battery
✦ Battery Slot Cover
✦ Key Bag
✦ Square Rod
✦ Bumper Pad
✦ Sticker
✦ Regulatory Information
✦ Quick Start Guide ×2
Certifications
✦ CE – EMC / LVD / RED / RoHS
✦ REACH
✦ SVHC
✦ WEEE
Important Note
The DL20FVS Plus supports 40–120 mm door thickness when used with the specified 6068 lock body. The palm-vein sensor is designed to scan the palm rather than the fingers, with an optimal recognition distance of approximately 15–25 cm for adults.