1、Semiconductor Fingerprint: 360° comprehensive recognition, quickly and accurately identify fingerprints from different angles. 2、Touch Keyboard: Exquisite appearance and beautiful design. Support programming from the keyboard, no need to connect to a computer. 3、With Doorbell Button: Wired doorbell (not included) can be installed. With Wiegand 26‑bit output, support external card reader (not included). 4、IP68 Waterproof: The superior door access control machine can be installed outdoors to resist the harsh environment in rain and storm. 5、High Performance: Support setting management card to add or delete users, advanced technology, easy to install and operate. 6、Matching Use: The machine needs to be used with DC12V power supply, electric lock, and exit button (additional purchase required).