Wire Tracer, Alert Type Sound, CAT Safety Rating CAT III 600V, Display Screen Type TFT LCD, Display Type Digital, For Circuit Type Energized, Non-Energized, For Voltage Range 0 to 600V AC/DC, Maximum Locating Depth 20 ft, Operating Frequency 6.25 kHz, Receiver to Transmitter Distance 6,561 ft, Tracing Locations Ceilings, Corners, Floors, Walls, Standards CE, CSA, IC, Testing Functions Circuit Breaker Identification, Locate Shorts, Tracer Type Circuit Tracer Kit, Battery Chemistry Alkaline