Attendance input method, edit names directly from attendance button. Large memory, 150,000 records storage Suitable for companies, offices, schools, church automatically generate a report, and direct export by USB disk;Note- This device is powered by electricity. AC 220V, can also be powered by UPS . Unusual statistic frequency and scheduling , you can also automatically generate a report of all worker's late,early-leave , and absent anomalies statistical,and export the USB disk. Without software or computer can automatically store the attendance record ,and summary into the attendance record and late arrival statistics,and a variety of statistics can be output to the U disk with format at the same time, convenient query and editing on the computer to print