JW Fishers SLFP-1 Low Frequency Pinger Include:Extended Housing automatic Battery Type Two D-cell

automatic Battery Type Two D-cell batteries (included) Battery Life Average 80 to 130 hours Weight

These sonars are essential tools for locating objects on the ocean floor

XP has agreed to begin supplying Detector Electronics Corp

The Teknetics Alpha 2000 is the first model in the Teknetics series

200 FOOT DEPTH RATING

JW Fishers SLFP-1 Low Frequency Pinger Include:Extended Housing automatic Battery Type Two D-cellJW Fishers SLFP 1 Low Frequency Pinger Acoustic pingers are devices that generate acoustic signals underwater. They are used to mark an underwater site or piece of equipment so a returning diver, using a pinger receiver, can locate the exact spot. Pingers are available with different transmit frequencies so several can be deployed in the same general area without interference from each other. The diver adjusts his pinger receiver to the frequency of