Minelab Pro-Find 40 Pinpointer metal-detectors-200-to-400 3 mm) headphone jack

3 mm) headphone jack

and this can be achieved by wrapping black electrical tape around the top of the pump body two times

but this is light and portable

Transmitter and receiver with 1/4" headphone jack connector

Minelab Pro Find 35

Minelab Pro-Find 40 Pinpointer metal-detectors-200-to-400 3 mm) headphone jackMinelab Pro Find 40 PinPointer with Belt Holster and Lanyard. Precision Pinointing Locate coins, rings, treasure, and gold with speed and accuracy. The PRO FIND 40 pinpointer allows you to accurately locate buried targets in holes, where a metal detector coil doesnt fit. This results in smaller holes, less environmental disruption, and faster target recovery time. Minelab Pro Find 40 Pinpointer includes: PRO FIND 40 pinpointer Belt Holster Lanyard