With your MD-4060 metal detector, you can hunt for coins, relics, jewelry, gold, and silver just about anywhere. The detector comes with high sensitivity and strong ability of discrimination. It is versatile and easy to use. Features: LCD display: shows the probable type of metal with an arrow, the depth of the target, DISC/NOTCH range, the level of SENS, and battery condition. It also has numeric display for DISC and TARGET. Three tone audio discrimination: sounds three distinctive tones (high, medium and low) for different types of metal. Notch: ignores junk metal and finds valuable items by setting the disc and notch range. DISC: discriminates the target selected. Super slow sweep identification: with a very slow sweep of the search coil to discriminate different types of metal. Headphone jack: lets you connect headphones of 3.5mm and operate without trouble. 240mm waterproof search coil lets you detector even if you must put it under water. MD4060 Specifications: Main color: black, silver Main material: ABS, aluminum Sensitivity: US 1 Cent: 100mm US 25 Cent: 100mm Pull Tab: 100mm Detect objects: metal(iron nail, iron covering, aluminum ring, small aluminum product, coins, gold, bronze, silver) Detection mode: all metal, discrimination Operating frequency: 5.88 KHz Power: 2 * 9V 6F22 (not included) Current: Standby: 20mA Max: 55mA Voltage: 18V Indication mode: LCD, sound Applications: gold detection, desert detection, safety inspection, archeology, treasure hunting, beach detection Package size: 55 * 27.5 * 13cm / 21.7 * 10.8 * 5.1in Package weight: 1500g / 3.3lb