Attributes . Capable of Sending Signal on Cable/Wire Runs Up to 10,000 ft (3000m), Connect Alligator Clips and the Instrument Suspends from Wire/Cable, Lightweight Design, Probe Flashes Green or Red to Indicate Polarity, Remote Probe Allows for One Person Operation, Visual (Flashing Bi-Color Leds) and Audible (Pulsating Beeper) Indicators . Names