... -8838 INFORMATIONProduct functions:1. Test the connect status of STP/UTP 5E /6E cable, telephone line, BNC cable, USB signal line ... :1. The results display in the LCD directly;2. Bring RJ45,RJ11,USB,BNC ports and alligator adapter cable with RJ11port ... ;3. Other metal wire line engineering and maintenance;Package items utp cable telephone line bnc cable usb signal line tester