Underground Utility Locator, CAT Safety Rating Not Rated, Circuit Connection Type Direct, Induction, Features Direct Connection for Maximum Signal, Inductive Coupling Connection for Live Cable, Internal Inductive Antenna for Buried and Inaccessible Cables, For Locating Buried Wires, Cables, Metallic Pipes, Includes Inductive Antenna, Inductive Coupler, Receiver, Transmitter, Locator Type Utility Line Locator Kit (Transmitter & Receiver), Maximum Locating Depth 7 ft, Operating Frequency 447 kHz