1. Locating and detecting underground cables
2. Locating and detecting cables in walls and pipes
3. Can find 500 meters of wires and cables 0.5 meters deep
4. Use 9V battery, one battery for transmitter and one battery for receiver (not included)
5. Cables that can be found include: twisted pair, video cable, telephone cable, ordinary metal wire
6. Used to locate wires before drilling
7. Detection range 3 feet, cable length 3000 feet
8. Widely used in pet fences