Feature: 1. Metal detector has a detection range of about 1500 meters and a depth of about 25 meters, with super sensitivity and stability and provides fast detection. 2. The microcomputer controls the calibration of the chip unit, and the instrument self test system can quickly and easily complete the scanning and testing 3. Metal finder tool, it can identify metal types, including silver, gold, gems, and diamonds, allowing you to easily find useful metal objects. 4. With high quality remote search, precise positioning of the system, and excellent detection methods, it is convenient to detect underground metals. 5. Intelligent modular operation greatly improves work efficiency and reduces the labor intensity of inspectors. It is a practical metal detecting instrument. Specification: Item Type: Metal Detector Material: ABS+Aluminum Weight: Approx. 3447g / 121.6oz Host Size: Approx. 28x16.5cm / 11.0x6.5in Accessory Size: Approx. 15x10x5cm / 5.9x3.9x2.0in Range: Approx. 1500m / 4921.3ft Depth: Approx. 25m / 82ft Voltage: 100-240V Search System: Microcomputer CPU control and reflection conductivity Host Battery (Built In Battery): Rechargeable Lithium Battery, 12V, 1600MAH Transmitter Accessory Battery (Built In Battery): Rechargeable Lithium Battery, 9.6V, 1200MAH Transmission Frequency: 5.6-6KHz Signal Frequency: 360-440Hz Detection Type: Silver, Gold, Gems, Diamonds Charger Charging Time: 10-12 Hours. Package List: 1 x Plastic Storage Box1 x Host1 x Transmitter Accessory1 x Headphone1 x Headphone Box1 x Plug Power Supply1 x English Manual Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Do not disassemble or modify the meter.4. Avoid mobile phones or other metals close to the instrument during operation.5. It is best to use this product in an environment with a temperature of 0℃‑40℃ and a humidity of 10%‑30%.6. Keep away from dust and dirt, which may cause corrosion and wear of parts. Wipe the probe regularly with a damp cloth to keep its appearance neat and tidy, like new.7. Do not place the instrument in the following live places: places exposed to direct sunlight; places where the outside temperature is lower than 0℃ or higher than 40℃; places with damp ashes; places with high vibration; near the TV.8.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.