They are used with single lamp appliance, meanwhile, they are used as connectingbox.
与单盏灯具配套使用，兼做接线、分线箱。
2
The utility model has the advantages of simple structure, high reliability, no external connecting control cable, replacement of the traditional connectingbox and multi-function, etc.
具有构造简单、性能可靠、无外接控制电缆、可代替传统的接线盒一物多用等优点。
3
The preference relation in the above box shows the priority number while connecting to any LDAP server.