Ridgid NaviTrack Brick Transmitter
For tracing buried cable, TV lines, phone lines and other metallic lines which can carry an electromagnetic signal. Fully variable 5 watts of power output. Lightweight, easy to carry. Conductive ground rod. Two 10' connectors.
1 kHz, 8 Hz, 33 kHz, 262 kHz. Power Source: Six C-Cell Batteries. Battery Life: Greater than 120 hours.