1, Fingerprint + password 2, Adopting RS485 or TCP/IP carries out networking 3, CE approved 4, OEM Overall Characteristic• Strictly follow the national security product standard .Suitable for the entrances and exits of office, factory, hotel, school, etc. • Adopting RS485 or TCP/IP carries out networking. USB flash drive upload/download is available. • Anti-dismantlement alarm, threatens alarm, ...