Rycom 8876 Utility Locator transmitter and receiver both included , detects cable, pipe and fault locator, transmitter frequency 82,315 kHz, 815 Hz, power source 6 c batteries ( Not included), indicators ac load assistance measurement, receiver frequency 82,315 kHz, 815Hz, indicators- low battery, Lcd bar graph, signal strength, current measurement display indicates relative current, audio indicator variable pitch response, power source 6 C batteries ( Not included) signal strenght Lcd bar graph, signal strength read out 0-999, dynamic range 126dB