Features:

1. User-friendly Design: The ZKTeco SA40 features a compact and user-friendly design with a 2.8-inch TFT color screen for easy operation.
2. Multi-Verification Modes: It supports fingerprint and RFID card verification for enhanced security.
3. High Capacity: The device can store up to 500 fingerprints and 500 RFID cards, making it suitable for small to medium-sized businesses.
4. Fast and Accurate: With an identification speed of less than 1 second and a low false acceptance rate (FAR) and false rejection rate (FRR), the SA40 ensures fast and accurate verification.
5. Multiple Communication Options: The device supports USB, TCP/IP, and USB disk for easy data transfer and management.
6. Built-in Battery Backup: In case of power failure, the built-in battery backup ensures uninterrupted operation.
7. Tamper Alarm and Doorbell: The SA40 features a tamper alarm and doorbell for added security and convenience.
8. Software Compatibility: Compatible with ZKTime.Net 3.0 software for efficient time attendance and access control management.