LF20

The ZKTeco LF20 is a standalone fingerprint access control terminal featuring a 2.4-inch TFT color display for easy navigation. It supports TCP/IP for networked data transfer and USB Host for offline backup, with Wiegand input for third-party panel integration.
Designed for secure door access, it includes interfaces for electric locks, exit buttons, door sensors, alarms, and doorbells, making it ideal for offices or small facilities.
Key Specifications
Feature
Specification
Display
2.4-inch TFT Color Screen ​
Fingerprint Capacity
1,500 
Card Capacity
1,500 (optional ID/IC) 
Transaction Capacity
80,000 
Communication
TCP/IP, USB Host ​
Standard Functions
Record Query, Auto Status Switch, 9-digit User ID, Wired Doorbell, Wiegand In ​
Access Control
Lock Relay, Exit Button, Door Sensor, Alarm, Doorbell Outputs ​
Power Supply
DC 12V 1.5A ​
Operating Temp
0°C–45°C ​
Operating Humidity
20%–80% ​
Dimensions
85 × 180 × 35.84 mm