TIANXUN GT939H Waterproof Metal Detector Specs: Attribute Specification Product Name Hand-Held Gold Detector Brand Name TECLUNG Model Number GT939H Type Hand-Held Gold Detector User Adults Color Black Material Alloy Operating Frequency 30 kHz Sensitivity 10 inches (U.S. Quarter Coin) Search Coil Diameter 12 cm IP Rating IP66 Power Supply 2 × 9V Batteries (Not Included) Power Supply Voltage 2 × 9V Batteries (Not Included) Communication Interface Wi-Fi Customized Support OEM, ODM, OBM Place of Origin Fujian, China Warranty 1 Year
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