?????True DISC Mode?- This metal detector can detect iron, zinc, aluminum, gold, copper, silver and more in all-metal mode. Press the 'MODE' button, you can switch to the DISC mode to eliminate the metals you don't want and focus on those to your liking. The crossed frame means item(s) that are eliminated. Two 9V alkaline batteries are required to run the metal detector. ?????Higher Sensitive & Waterproof Search Coil?- The bigger the search coil is, the higher the accuracy. The 10-inch big search coil can reach up to 8" depth underground, greatly conducive to detecting efficiency. The waterproof stem and coil(*the control box is not waterproof) allow you to explore in the water or on the beach. Definitely a practical and exciting tool for outdoor activities. ?????More Intuitive LCD Control Box?- A control box with LCD display will make reading much easier. You can clearly know the detection mode, depth of the target, sensitivity level, battery condition, and volume level at a glance. An arrow displayed below the target icon indicates which object is hunting for. Compared to the knob and dial, button and LCD are obviously more intuitive to use. ?????Pinpoint Function & Distinctive Audio Prompt?- When finding different types of metal, there are distinctive tones to prompt. A period of time later, you can tell what you found by simply hearing the sounds. The added P/P function help zero in on targets. Operating steps have been written in the manual. It's easy to assemble and fun to use. ?????Ideal For All Ages?- No matter you're a beginner or a veteran treasure hunter, this metal detector will meet your needs. Equipped with 33?to 40.6? adjustable stem, it fits for both adults and kids, and works with headphones. In the package, it includes a digging shovel and a carry bag. Definitely a great gift for outdoor enthusiast at all ages.