Features1Durable to Use: Made of aluminum, the metal detector is sturdy, durable, reliable, with good accuracy and stability and can be used for a long time. 2Advanced: The rechargeable metal detector has intelligent modular operation, powerful functions, fast speed and efficiency, is easy, convenient, quick, advanced and efficient. 3Accurate: The aluminum gold detector is equipped with remote search system and accurate positioning detection system, which breaks through the traditional detection method. 4Efficient: The silver detector adopts microcomputer control chip unit calibration, can quickly and easily scan and detect, greatly improve the work efficiency and reduce testing labor. 5Wide Application: The 14m depth metal detector adopts advanced and practical testing method, suitable for detecting gold, silver, bronze and other metals, you can use it in your courtyard and other places.SpecificationItem Type: Metal DetectorMaterial: AluminumWeight: Approx. 1442g/3.18lbColor: Silver Size: Host: Approx. 31x16.5cm/12.20x6.50in Emitter: Approx. 11.5x7.5x3.5cm/4.53x2.95x1.38in Range: Approx. 800m/874.89ydDepth: Approx. 14m/15.31ydHost Battery: 1600mah AAA NiMH Rechargeable Battery (Delivered with Built In Battery) Emitter Battery: 1200mah AAA NiMH Rechargeable Battery (Delivered with Built In Battery) Transmission Frequency: 5.6-6KHzSignal Frequency: 360-440HzDetection Type: Gold, Silver, Copper, GemCharging Time: 10-12 HoursPurpose: Metal Detection Package List1 x Metal Detector 1 x Emitter 1 x Plug 1 x English Use Manual