Aibao J-780 Rapid Time Clock Attendance Machine Paper Card Punch Clock Employee Work Attendance Student Check-in Device [Analog Model]

Dual-color 9-pin dot matrix printing

Automatic bi-color displacement printing for clear attendance records

Prints on both front and back sides with detection to prevent errors

Automatic card feeding and ejection to improve speed and efficiency

Prints attendance punches automatically in corresponding slots without manual key presses

Supports three-shift scheduling (morning, middle, night shifts)

Cross-day attendance setting (e.g., 8 PM start to 6 AM end)

Automatic time calibration on power-up, synchronized to Beijing time

Built-in quartz clock for accurate timekeeping

Black print indicates normal punch; red print indicates late arrival or early leave

Built-in speaker with musical bell reminder function

Adjustable work start and end times with automatic bell alerts to prevent forgetting punch times

Optional built-in lithium battery for backup power

Supports attendance punching during power outages