Fangrui Product Details Test 4 Types Of Cables: Rj-45, Rj-11, Usb And Bnc. Test Installed Wiring Or Patch Cables. Tests Shielded (stp) Or Unshielded (utp) Lan Cables. Test In Usb Cables. Can Test From 2 Remote Points. Beeper Provides Audible Annunciation Of Test Results. Remote Unit Stores In Main Unit. Bnc Terminator 25/50 Ohm Indications. Straight Or Crossover Indications. Leds Indicate Connections And Faults Of Wire And Pins. Rj-11/rj-45 Are Equipped With 50u Gold Plating. 300 Feet Test Distance (rj-45/rj-11/bnc). Ergonomic Portable Handheld Design. Convenient Battery Access. Low Battery Indicator. Simple One Button Test. Fast Speed Testing. Cable Tested: Utp And Stp Lan Cables, Terminated In Rj-45 Male Connectors (eia/ 568); Rj-11 Cables With Male Connectors, 2 To 6 Conductors Installed; Usb Cables With Type A Flat Plug On One End And Type Plug On Other End; Bnc Cables With Male Connectors Faults Indicated: No Connections, Short Circuit , Opens And Crossover Low Battery Indicator: Led Lights To Indicate Low Battery Power: