Feature 1Premium Material: Made of premium aluminum, the metal detector is sturdy, durable, reliable, with good accuracy and stability, and has a long service life. 2Convenient: The rechargeable metal detector has intelligent modular operation, powerful, convenient, fast speed and efficiency, is easy and fast, advanced and efficient. 3Accurate Positioning: The aluminum gold detector is equipped with premium 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. 5Suitable: The bronze detector adopts advanced and practical testing method, suitable for detecting gold, silver, bronze and other metals.Item Type: Metal DetectorMaterial: AluminumWeight: Approx. 2943g/6.49lbColor: Blue Size: Host: Approx. 31.3x16.5cm/12.32x6.50in Emitter: Approx. 11.5x7.5cm/4.53x2.95in Range: 1000 MetersDepth: 20 MetersHost 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 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Metal Detector1 x Receiver6 x Antenna1 x Charger Adapter1 x Plastic Box1 x Use ManualNoteNote: be sure to operate strictly without interference in the wild jungle situation and maintain good smoothness.