ONQ2652 Features: * NaviTrack provides an advanced search function that allows you to approach the transmitter from any direction; simply maixmize the signal and the locate is complete; verify the locate using NaivTrack"s advanced map function; with the advanced map function on screen markers help further guide you to the target * Navi Track locates: SeeSnake in-line transmitters, remote transmitters (Snodes) and energized metallic lines * Measurement is continuous; depths of greater than 15 feet can be read in cast iron lines * The search and map functions provide all the information needed to conduct faster and more accurate locates * Run Time: 16.00 h * Power Source: 4 C-cell Batteries * Wt.: 6 lb * Price is for 1 Each Specifications: * Frequencies: Sonde-512 Hz, 33 kHz, Active Line Trace-512 Hz, 33k Hz, 51 kHz, Passive AC Line Trace-60 Hz, 50 Hz