Fangrui Product Details Usb Cable, Rj45 And Rj11 Multifunction Network Cable Tester (m726) 1) . 2) Lan Network Cable Tester And Usb Cable Tester. 3) It Can Test Cable As Follow: Usb(aa), Usb(ab), Bnc 10base-t, 100base-tx,1000base-tx, Token Ring, At&t258a, Coxial, Eiatia568a568b And Rj11rj12 Modular Cable. 4) You Can Use Connect Cable If You Want To Test Bnc, Coaxial, Rca Modular Cables, If You Want To Test Cable Installed Far Away Either On Patch Panel Or Wall Plate Which Can Use The Remote Terminator. 5) The Lanusb Cable Tester Tests Rj11rj12 Cable Please Use The Appropriate Adapters And Follow The Above Procedure, So You Can Use It Very Easy And Correct. 6) Compact And Light Weight. 7) Power Led Indicator. 8) Powered By: 9v Battery (not Include). 9) Mode : Auto Mode And Manual Mode. 10) Size: 13.3cm X 6.6cm X 2.9cm