Features1[High Sensitivity] The metal detector has high sensitivity and stability, and has a long service life. 2[Remote Search System] With a remote search system, and can detect metals easily and efficiently. 3[Accurately Positioned Detection] Equipped with an accurate positioning detection system, this detection method breaks through the traditional detection method. 4[Microcomputer Control Chip] Using microcomputer control chip unit calibration, the instrument and self checking system can quickly and conveniently scan and check. 5[Advanced Practical] The metal detector is advanced and practical, and can be used to find gold, silver, copper, and gems.SpecificationItem Type: Metal DetectorMaterial: AluminumHost Size: Approx. 32.5 x 16.5cm / 12.8 x 6.5inAccessory Size: Approx. 11.5 x 7.5cm / 4.5 x 3.0inColor: GoldenRange: Approx. 1000meters / 1093.6ydDepth: Approx. 15meters / 16.4ydHost Battery (Shipped with Built in Battery): Rechargeable Lithium Battery, 12V, 1600MAHTransmitter Accessory Battery (Shipped with Built in Battery): Rechargeable Lithium Battery, 9.6V, 1200MAHTransmission Frequency: 5.6 to 6KHzSignal Frequency: 360 to 440HzDetection Type: Gold, Silver, Copper, and GemsCharging Time: 10 to 12 HoursPurpose: Metal SearchWeight: Approx. 2703-2703-2710g / 95.3-95.3-95.6ozPackage List1 x Plug Power Supply 1 x Host (Battery Included) 1 x Transmitter Accessory (Battery Included) 1 x English User Manual 1 x Plastic Storage Box