1.Big LCD display screen,128*64 lattice show, support Chinese,English;2.Can issue message at random time;Supervise at real time, show the staff\'s name,number, picture, etc when he make attendance record;3.Dog-guard circuit inside to strengthen the reliability and stability of the system;4.Read card distance >12cm,read time<0.1; Has Rs232 commutator, needn’t to jump lines;5.With backup batteries,can work without power;Can set the interval of the card-reading time;6.Can register 5,000 staff, store 50,000 records.