1. Professional Fingerprint access control system, support time attendance function, support TCP/IP. 2. Attendance status: Check in/out, OT in/out, break in/out. 3. Support RS232/485 and TCP/IP to achieve LAN/VPN network function. 4. Advanced LINUX Embedded operation system, 24 hours continuous operation available. 5. Support Short message showing function. 6. We will offer professional management software. Specification: User capacity: 1500 Storage records: 50000 records, Communications: RS232, RS485, TCP/IP, USB port Identification time: ≤1S FAR: ≤0.0001% FRR: ≤0.01% Power supply: DC12V Sensor: Optical sensor LCD: 4 line white LCD Humidity operating: 20% - 80% Language: Chinese, English, other language Optional: Mifare/ID/HID reader, anti-passback, Flash disk