JW Fishers DHI-1 Diver Held Interrogator 13" This Detech 12 x 10"

This Detech 12 x 10" SEF Butterfly Search Coil is for use with the Fisher F75

Designed for durability and reliability

This accessory includes the handle and arm rest

5 Inches - 26 x 32 cm)

it offers unmatched sensitivity to even the smallest gold nuggets

JW Fishers DHI-1 Diver Held Interrogator 13" This Detech 12 x 10"JW Fishers DHI 1 Diver Held Interrogator The DHI 1 gives precise distance and heading to target. Easy Operation Operating the DHI 1 is straightforward; select the transponder frequency to be located and scan the area with a 360 degree sweep. When the diver points the DHI 1 in the direction of the transponder, an audio alarm sounds through the underwater earphone and the LED light bar flashes. The DHI 1 displays the distance to the transponder, and a