The FB-R2012 512 Hz wireless digital locator from Forbest Products is designed to detect buried water pipes, sewer lines and other pipeline. It includes an FB-T2011 512 Hz sonde transmitter, and is compatible with the Forbest camera head with built-in 512 Hz sonde transmitter. It comes with NORM and NOISE CONTROL operation modes for different application environments. NOISE CONTROL is chosen where there is interference. The Shift button is for sensitivity grade conversion between near and far for locating and pinpointing the location and depth of the transmitter. On-screen status indicates the signal strength of 15 levels and battery volume. The hand-held locator is powered with six AA batteries, is lightweight with retractable poles and easy to carry. 877/369-1199; www.forbestusa.net.