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 Detector  Material: ABS, Sponge Coating  Detector Battery: Built in rechargeable battery (NiCr) 2000mAh  Receiver Battery: Built in rechargeable battery (NiCr) 2000mAh  Purpose: In addition to military applications, widely used in security inspection, archaeological exploration, and mineral exploration  Detected Objects: Gold, silver, copper, conventional precious metals (Pd, Pt), precious stones (diamond, emerald, ruby, etc.)  Search Range: Approx. 1500 meter / 4921.3ft  Detection Depth: Approx. 50 meter / 164ft maximum  Transmission Frequency: 5.6-6KHz               Package List:       1 x Detector       1 x Receiver       3 x Signal Rods       1 x Adapter       1 x User Manual       1 x Storage Box