American Hawks Explorer Metal Detector | Arm Support, View Meter, Waterproof Search Coil, Headphone, Bag, Batteries | Gold Silver Bronze Platinum | Treasure Hunting 3 Modes | Adults Kids Adjustable HIGH SENSITIVE TREASURE HUNTING TOOLS: American Hawks Explorer Metal Detector comes with customizable features. It is easy to use and convenient to carry. # Buzzer sounds and LED lights when metal is detected. 6.5 inch waterproof search coil. Sensitivity: &gt; 8 (for a US quarter) Shaft extends from 23" to 34 1/2", Adjustable stem for comfortable use. With practice and learning, you will enjoy the treasure hunting for hours. THREE OPERATION MODES: American Hawks Explorer Metal Detector allows you to target iron, steel, silver or gold. "All Metal" mode allows you to detect any metal object underground. "Discrimination" mode allows you to differentiate the metal type by using a high or low tone. "Notch Filter" mode display the type of object found. AUTOMATIC GROUND CONTROL: This feature prevents false signals in locations with abundant junk metals, minerals or saltwater. This feature works automatically no matter which operation mode you select. This saves you the frustration of getting a false signal from junk metal or trash. COMPLETE KIT: The package comes with metal detector and accessories. There are also two 9V batteries included so you can start using the metal detector right away. Carry bag for easy transport comes with the package too. A padded headphone eliminates background noise and respects the privacy of others around you. You can focus on your treasure hunting without the disturbance from others and without disturbing others. 10 YEAR WARRANTY: All American Hawks Metal Detectors come with 10 year warranty, the best warranty in industry. Enjoy your product with confidence that your purchase is protected.