• Built-in thermal printer. Automatically print attendance records in real time when checking attendance.
• High-precision real-time clock.
• The attendance records can not be modified.
• TCP/IP communication function.
• Two USB HOST communication interfaces.
• Built-in 7.4V 2000mAH polymer lithium-ion battery.
• Optional external ringing function.
• Optional built-in ID/HID/Mifare card reader module.
• Optional built-in WiFi module.
• Optional built-in GPRS.
  

Electrical Specifications and Functions :

Power : DC12V3A
Operating Temperature : 0~40°C
Operating Humidity : 10~80%
Back-up Battery Operating Hour : 1~2h
Time Error of the Lock : ± 1min/year
Retention Time of the Lack After Blackout : >3000h
Register Capacity : 5000
Record Capacity : 1500000

Printing Method : Direct Thermal Printing
The Maximum Diameter of the Printing Paper : 80mm
The Width of the Printing Paper : 58±0.5mm
Effective Printing Width : 48mm
Printing Density : 6dots/mm, 288dots/line
Printing Speed : ≈35mm/sec.

Reliability :

Printhead Life : ≈50km
Mean Character Between Failures (MCBF) : 15million lines

Use Condition :

Printing 12x24 western characters, intermittently repetitive printing.

The Printed dots in every point line simultaneously can not exceed 25%, the longitudinal repetitive printing at the same point in every character row can not more than 11 times.