ZKTeco SF300 fingerprint access control and time attendance

Here’s a comprehensive overview of the ZKTeco SF300 fingerprint access control and time attendance terminal:

 Key Specifications

• Display: 2.8″ resistive or capacitive touchscreen (color UI)

• Fingerprint Sensor: ZK Optical Sensor, 500 DPI, ZKFinger V10.0 algorithm 

• Capacity: Up to 1,500 fingerprints; optional EM/IC cards up to 5,000 users; records up to 80,000 transactions 

• Interface & Networking: TCP/IP, RS‑485, USB host, Wiegand in/out; supports both standalone and networked operations with integration to ZKAccess 3.5 or third-party systems via Wiegand 

• Access Control Features: Electric lock, door sensor, alarm, exit button, doorbell; supports duress alarm, anti‑passback, tamper‑proof switch, 24 schedules, multi‑verification methods, DST support, timezones 

• Power & Environment: DC 12 V/3 A; operating temp 0–45 °C; humidity 20–80% 

• Dimensions: 105 × 105 × 34 mm (fits 86×86 mm wall socket)