Feature:1. DETECTION TYPES: Identify specific types of metals through frequency regulator, and detect gold, silver, copper, conventional precious metals, etc.2. HIGH ACCURACY: With long range search system and accurate position detection system, ensure high operation sensitivity and good stability.3. HIGH EFFICIENCY: Micro electronic processor is used to control chip unit calibration, with self test system, can scan and test conveniently and quickly.4. WITH BATTERY: The detector and receiver are equipped with rechargeable batteries, suitable for long term detection, efficient and practical.5. MULTIPLE USAGES: The metal detector is not only used for military purposes, but also for safety inspection, archaeology, outdoor prospecting, etc.Specification:Item Type: Metal DetectorMaterial: ABS, Sponge CoatingDetector Battery: Built in rechargeable battery (NiCr) 2000mAhReceiver Battery: Built in rechargeable battery (NiCr) 2000mAhPurpose: In addition to military applications, widely used in security inspection, archaeological exploration, and mineral explorationDetected Objects: Gold, silver, copper, conventional precious metals (Pd, Pt), precious stones (diamond, emerald, ruby, etc.)Search Range: Approx. 1500 meter / 4921.3ftDetection Depth: Approx. 50 meter / 164ft maximumTransmission Frequency: 5.6-6KHz.Package List:1 x Detector1 x Receiver3 x Signal Rods1 x Adapter1 x User Manual1 x Storage Box