... backlight, work at night 4. HID/Mifare, workcode, printer optional Time Attendance & Access Control HF-SC403 Product introduction · User Capacity: ... up threatened alarm and code by themselves.· Access Control: 50 Time Zone, 5Grouping, 10 Combination, support many fingerprint access. Easy ... 4 line, 16 character each line(User name, ID number, time, date, states) · Keypad: 4*4 metal keypad with 4 ...