Feature:1. GOOD PERFORMANCE: This metal detector has high sensitivity and good stability, easy to operate, and can easily find metal objects that are useful to you.2. ACCURATE LOCATION: With remote search system and precise location detection system, can identify specific types of metals through frequency regulators.3. HIGH EFFICIENCY: Using microelectronic processor to control chip unit calibration and instrument self checking system greatly improves work efficiency.4. DETECTABLE OBJECTS: Can be used to detect gold, silver, copper and some conventional precious metals (palladium, platinum), diamond, emeralds, ruby, etc.5. APPLICABLE SCENES: The maximum search range can reach 1500 meters, widely used in military application, security inspection, archaeology, prospecting, etc.Specification:Item Type: Metal DetectorMaterial: Aluminum Alloy, ABSTransmitter Battery: Rechargeable Nickel chromium battery 1000mAh (built in battery)Receiver Battery: Rechargeable Nickel chromium battery 1600mAh (built in battery)Uses: In addition to military applications, also widely used in security inspection, archaeological treasure exploration, prospectingDetected Objects: Gold, silver, copper, conventional precious metals (palladium, platinum), gem (diamond, emerald, ruby, etc.)Basic Parameters: Search Range: Maximum 1500 meter / 4921.3ftDetection Depth: Maximum 25 meter / 82ftTransmission Frequency: 5.6-6KHzSignal Frequency: 360-440Hz.Package List:1 x Transmitter1 x Receiver10 x Antennas1 x Power Adapter1 x User Manual1 x Suitcase2 x Keys