Sound and intelligent,management:time-ontrol,Identification,memorization,inspection,alarm(fault operation and under-volt-age alarm),one-card exclusively,decentralized management. 稦irst-class technical capacities:double CPU,two-timed electric circuit design,systematic operation named "Watch Dog",the functions of normally open and non-normally open,random dynamic cipher,self-protection against read,malicious attack protection. 稭anagement software runs according to Windows95/98/2000/ME operation system