G4L Visible Light Facial Recognition and Multi-Biometric Time & Attendance and Access Control Terminal

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  • Revolutionary Silk ID Fingerprint Sensor
  • Proactive Facial Recognition
  • Wide Pose Angle Acceptance
  • Visible Light Facial Recognition
  • New Height of Anti-Spoofing
  • Touchless for Better Hygiene
  • Multiple Verification Methods
  • Speedy Recognition
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Enhanced Visible Light Facial Recognition is the latest technology of ZKTeco, aimed to overcome shortcomings of previous facial recognition and achieve an all-rounded upgrade on whatever performance and reliability. G4L is a multi biometric identification terminal, notably offers enhanced Visible Light facial recognition and SilkID fingerprint authentication technology.

Compared with other near-infrared facial identification devices, G4L, equipped with advanced Visible Light Facial Recognition technology, enables quicker automatic face detection and facial recognition when a target enters its detection distance from 0.5m to 2.5m.

With new deep learning algorithms applied, the anti-spoofing technology performance has been dramatically heightened and can prevent different types of photos and video attacks.

Also, with the cutting-edge 3D Neuron Fingerprint Algorithm, G4L precisely authenticates dry, wet, or rough fingerprints efficiently and accurately. Apart from Visible Light facial recognition and SilkID fingerprint authentication, G4L also supports identification with RFID cards and passwords.

Configuration Diagram


Additional information


User – 10,000
Face – 10,000
Fingerprint – 10,000
Card – 10,000
Transaction – 1,000,000


TCP/IP / Wi-Fi / Wiegand Input / Wiegand Output / RS485 / USB Host

Access Control Interface

Lock Relay Output / Exit Button / Alarm Output / Door Sensor


900MHz Dual Core CPU
Memory 512MB RAM/ 8G Flash
2MP WDR Low Light Camera
7-inch Touch Screen, 1280*720 pixels
Linux Operating System
Adjustable Monitor Brightness

Standard Functions

ID Card / Work Code / ADMS / DST / Bell Schedule / Attendance Status Auto-Switch / Record Query / Photo ID

Optional Functions

13.56 MHz IC / LEGIC Card

Special Functions

Visible Light Facial Recognition
Alive Face Detection
Multiple Biometric Verification Modes


BioTime 8.0 / ZKBioSecurity (Time & Attendance)

Additional Info

Algorithms – ZKFace V5.8 / ZKFinger V10.0
Working Temperature – 0°C – 50°C (32°F – 122°F)
Working Humidity – <90%
Dimensions (W*H*D) – 264*112*54.8 mm
Facial Recognition Speed – ≤0.3 sec
Facial Recognition Distance – 0.5m ~ 2.5m
Power – DC12V 3A


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