... Fiber Optic Transmission equipment, and testing the Fiber Optic Patch Cord, etc. SpecificationMODELKS-ST895 CCTV Security TesterPROVideo TestSignal modeNTSC/ ... video signal for testing monitor or video cableUTP CABLE TESTUTP cable testTest UTP cable connection status and display ... .6mA, 66mA, 660mA, 10A Manual rangingResistor660, 6.6K, 66K, 660K, 6.6M, 66MΩ auto/manual rangeContinuityBuilt-in buzzer ...