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