Ridgid® 46918 Sonde/Line Locator, C-Cell Batteries 4 pc, 128/1/8/33 K Hz Frequency

A lightweight yet rugged receiver that provides all the information needed for faster, more accurate locates. Target line and guidance arrows quickly identify distortion. Proximity signal and signal strength help work through difficult locates. Trace any frequency from 10 Hz to 35,000 kHz. Battery life 16 hr. Sonde frequencies 16 Hz, 512 Hz, 640 Hz, 850 Hz, 8 kHz, 16 kHz, 33 kHz. SR-20 + ST305 + 4 in clamp.