Feature: 1. GOOD STABILITY: The metal detector has excellent sensitivity and stability, intelligent modular operation ensures efficient detection. 2. HIGH EFFICIENCY: Using microcomputer control chip unit calibration, self inspection system can quickly and conveniently scan and detect. 3. DETECTION RANGE: Can be used to detect gold, silver, copper, etc., suitable for detection at 15 meters depth and within a range of 1000 meters. 4. WITH BATTERY: The metal finder is equipped with 1000MAH rechargeable battery, which can be used at any time to ensure long term operation. 5. PORTABLE DESIGN: The metal scanner has a portable handle, which is comfortable and labor saving to hold, the knob operation is convenient and fast. Specification: Item Type: Metal Detector Voltage: 100-240V Product Size: Approx. 25.5 x 11.4cm / 10 x 4.5in Range: Approx. 1000 meter / 3280.8ft Depth: Approx. 15 meter / 49.2ft Battery: AAA rechargeable nickel hydrogen battery 1000MAH (built in) Transmission Frequency: 5.6-6KHz Signal Frequency: 360-440Hz Detection Type: Gold, silver, copper Charging Time: 10-12 hours Use: Metal Scanning Material: ABS Weight: Approx. 985g / 34.7oz. Package List: 1 x Metal Detector1 x Adapter1 x User Manual Note: 1. It is necessary to operate strictly and maintain good stability in the wild jungle environment without interference2. Operate without wind