D4 is a compact time and attendance terminal designed to take the complexity out of small and medium-sized businesses (SMBs) workforce management.
D4 offers flexible authentication options, such as fingerprint authentication and RFID card verification entry to suit different workplace preferences. The terminal adopts the ZK optical fingerprint algorithm, enabling fast fingerprint authentication less than 1.5 seconds.
What makes D4 stands out is that the terminal can be Wi-Fi networked via Bluetooth and integrate with ZKBio Zlink. This lets users manage employees and equipment, set attendance rules and check real-time attendance reports on their desktop or mobile device.
Model
D4
Display
2.8"@ TFT Color LCD Screen (320 x 240)
Operation System
Linux
Hardware
CPU: Dual Core@240MHz
RAM: 8MB; ROM: 16MB
Speaker: 8ohm @1W
Fingerprint Sensor: ZK Optical Sensor
Casing Color: White
Authentication Method
Fingerprint / Card (Optional)
Fingerprint Capacity
500 (1: N) (Standard)
Card Capacity
500 (1: N) (Optional)
User Capacity
500 (1: N) (Standard)
Transaction Capacity
50,000 (1: N)
Biometric Authentications
less than 1.5 sec (Fingerprint)
False Acceptance Rate (FAR) %
FAR < 0.0001% (Fingerprint)
FRR (False Rejection Rate)
FRR < 0.1% (Fingerprint)
Biometrics Algorithms
ZKFingerprint V13.0
Supported Card Type
ID Card@ 125 kHz
IC Card@ 13.56 MHz
(Optional)
Communication
Wi-Fi (IEEE802.11 b/g/n) @ 2.4 GHz
Bluetooth 5.0
Standard Functions
DST, Up to 14-digit User ID, Multiple Authentication Methods, Online Firmware Upgrade
Power Supply
DC 5V 2A (Type-C USB)
Operating Temperature
-5°C to 45°C
Operating Humidity
10% to 90% RH (Non-condensing)
Dimension
143.5mm* 96.5mm* 73.3 mm (L*W*H)
Gross Weight
0.40 Kg
Net Weight
0.19 Kg
Supported Software
Mobile App: ZKBio Zlink
Cloud-based Software: ZKBio Zlink
Installation
Wall-mount
Desktop Installation
Certifications
ISO14001, ISO9001, CE, FCC, Equivalent to RoHS
(Silver and above members can download after logging in)
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