highly cost effective time attendance with U disk function specifications: User capacity: 1600 Storage records: 30000 records, Communications: RS232, RS485, TCP/IP, USB port Identification time: d1S FAR: d0.0001% FRR: d0.01% Power supply: DC5V Sensor: optical sensor LCD: 4 line white LCD Attendance status: check in/out Temperature operating: 0-45 degree C Humidity operating: 20% - 80% Language: Chinese, English, other language Optional: Mifare / ID reader, webserver, Flash disk Feature: 1. Fingerprint time and attendance, with new design and newest version hardware platform. 2. Support RS232/485 and TCP/IP to achieve LAN/VPN network function. 3. USB port to download attendance data conveniently. 4. Advanced LINUX Embedded operation system, 24 hours continuous operation available 5. Support Short message showing function 6. We will offer professional management software Machine Size: 176mm*50mm*138mm Package box: 310mm*250mm*115mm G.W.: 1.8 KG