1. with time-attendance function 2. support Mifare card 3 ... Main Function Parameters:1. Reader, time attendance, access control 3 in 12. LCD display: can display employee name ... 3. Standard 4M memory; can register 4,000 users with up to 24,000 records; backup battery can work ... more than 4 hours4. Real-time communication, data transmitting, control & off-line work supported; timed data collection5. SDK ...