Feature:         1. With high sensitivity and stability, it can identify different types of metals, and can easily find metal objects that are useful to you.     2. This product is made pf ABS material, you can use metal detectors to explore more places to find treasures, looking for gold, silver, copper and gems.     3. The microelectronic processor is used to control the chip unit calibration and instrument self test system, which can scan and test easily and quickly, and improve the work efficiency of treasure hunters     4. Accurately determine where the object is buried and locate it, can identify specific types of metal through the frequency regulator, and have a remote search system and an accurate location detection system.     5. The detection range can arrive 99m, and the underground detection depth can arrive 16m. It is widely used in security inspections, archaeological treasures, etc.                Specification:          Item Type: Metal Detector  Material: ABS  Battery: Rechargeable lithium ion battery, 9.6V, 800mAh (Battery Included)  Power Adapter Voltage: AC 100-240V  Application: In addition to military applications, it is also widely used in security inspections, archaeological treasure hunting, and mineral prospecting  Search Range: Approx. 1-99m / 3.3-324.8ft  Detection Depth: Approx. 16m / 52.5ft       Transmission Frequency: 5.6-6KHz  Signal Frequency: 360-440Hz  Charging Time: 5-8H                  Package List:      1 x Detector with Screen (Battery Included)      1 x Indicator      2 x Signal Bar      1 x Adapter      1 x Earphone      2 x Screw      1 x Screwdriver      1 x Manual      1 x Plastic Box