1. tcp/ip fingerprint access & time recorder 2. proximity card support 3. Optical fingerprint sensor Advantages:1. Strictly follow the national security product standard. Suitable for the entrances and exits of appartment, multi-family houses,office, factory, hotel, school, etc.2. TCP/IP + RS485 Communication + USB Flash Drive Up/Download. 3. Anti-dismantlement alarm, threatens alarm, unlock ...