The metal detector is equipped with advanced DSP chip and 10-inch coil with a depth of 12 inches, this metal detector is also widely used in many other fields, gold detection, desert detection, military use, security inspection, archaeology, treasure hunting, beach detection Features : 1. LCD Playback: Shows possible metal type, target depth, disc range and scale, level and battery condition. It also has digital display targets. 2. Three-tone audio recognition: emit three different tones (high, medium, low) for different types of metal. 3. Gaps: Ignore junk metal and look for valuable items by setting the gap range. 4. Disc: Distinguish unwanted targets by setting the disc number range. The detector will not detect targets beyond the value set. 5.Light: Suitable for dark areas. 6.PP: Precisely locate the target position. 7. Ultra-slow scan identification: use slow scan search coil to distinguish different types of metals. 8. Headphone Jack: Let's connect 3.5mm headphones (not provided) and operate easily. 9 .250mm Waterproof Search Coil: Allows you to use the detector even if you have to place it in shallow water. 10. Adjustable Shaft: Allows you to adjust the length of the shaft for comfortable use. 11. Power supply: Your metal detector requires two 9-volt batteries (not included).