Liquid crystal screen Chinese demonstrates super-big stand in self's own light. 2, 16 keyboards, incorporate the terminating machine , hairpin machine into a single person. 3, is circumferential 4, loses the electricity data since the bell, is small keyboard , acousto-optic alarm preserving time: 10 5, ID type induced distance ≥10 cms, read <0.1 second of card time 6, I C type induced distance ≥5 cms, read <0.3 second of card time |