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15 inch gold grain pinpointer has been designed and developed to meet the demands for underwater 10 feet treasure hunting. It also features a lightweight, rugged, ergonomic design. A clear, concise control board provides an easy opration system The probe dia. only 0.5 inch ( 12mm ) it can easily push into mud or sand and moving no difficult Specification: Communicates with: 1. buzzer alarm 2. LED light ( green power, red warning ) 3. Vibration alarm Over lenght: 15 inch (380 mm) Sensitivity adjusting Control board F - flashlight power ON/OFF C - charger DC hole S - sensitivity adjustment B - Light brightness adjustment Detection sensitivity: ------------------------------------------------- in water diameter detecting deapth silver grain 2mm (0.08 inch) 0.12 inch (3 mm) silver coin 25mm (0.98 inch) 2 inch (50mm) gold grain 3mm (0.08 inch) 0.04 inch ( 1mm) gold coin 25mm (0.98 inch) 1.2 inch (30mm) -------------------------------------------------
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