Pin Pointer Handheld Pulse Induction Targeting With Vibration Led Wedigout Metal ?FULLY WATERPROOF PIN POINTER- With Pulse Induction Technology(PI),Allow hunting metal in water, on land or in any type of soil, including black sand. ?HIGH SENSITIVITY AND DETECTION DEPTH STABILITY- Automatic tuning ,The state of the art microprocessor controlled design requires no adjustments of any kind. ?SEALED CONSTRUCTION AND UPGRADED DESIGN- The pin pointer rugged sealed construction and stainless steel hardware are built to last.Built in low battery sensor ,safty ,sensitive,quickly,effeciency. ?EASY TO USE AND INSTALL- Auto on and off ,just with a simple gesture- turn over the Pin pointer;With led light, you can easily distinguish detecing sigal.Convenient to carry with belt ring wrist strap.??Please fully tighten the back cover when you use it underwater :) ?MULTI APPLICATIONS- Search for Metals,Keys, Coins,Jewelry,Relics,Needle/pin and much more, on Beach ,Mountain,Diving searching, Archaeology, Public security check, Police detecting, Pinpointing decoration line, Waste Iron Recovery...