VTS-LOC Sonde and Power Line LocatorThe VTS LOC Locator is a must have for professionals in the industry. With its support of frequencies ranging from 33kHz to 512Hz and power ranges of 50Hz and 60Hz, you can easily locate and trace the routes of buried power lines, drains, ducts, pipes, sewer lines, and telephone cables. With a 10 hour battery life and the option to output signals to the speaker or headphone, it offers convenience and efficiency. The sensitivity setting and on screen