With a metal detector, you can find coins, relics, jewelry, gold and silver almost anywhere bit by bit. It has two modes of full metal and DIS, headphone jack design, waterproof search coil, adjustable volume, adjustable height, etc. Metal The detector is versatile and easy to use. Features: 2 working modes: All metal mode allows you to search all different types of metals with automatic ground balance and high sensitivity. DIS is used to distinguish the type of metal detected. Automatic ground balance: Both all-metal and DIS modes are equipped with automatic ground balance, which is not only used to find ferrous metals, but also non-ferrous metals. 3.5mm headphone jack: You can plug headphones (not included) into the detector so you can listen privately. Using headphones also saves battery power and makes it easier to identify subtle changes in the sounds you hear, resulting in better detection results. ADJUSTABLE VOLUME: Adjust the speaker-speaker and headphone volume. Look at the gauge and needle: If metal is found, the gauge needle is pointing to the right. Waterproof Finder Scope: The round 7.9-inch high-sensitivity coil allows you to search for metal objects in shallow water (the control box is not waterproof). Adjustable Height: The detector's pole adjusts to the operator's height for comfortable use. Features: Material: ABS Power supply: 2*9V 6F22 batteries (not included) Positioning wheel diameter: 200mm/7.87in Adjustable height: 830-1130mm/32.68*44.49in Product weight: 679g/23.95 oz Packing weight: 1374g/ 48.49 oz Packing size: 54.5 * 22 * 11 cm / 21.46 * 8.66 * 4.33 inches Packing list: 1 * Control unit 1 * Armrest 1 * Handle 1 * Extension pole 1 * Coil finder 1 * Manual (English)