1. Extremely : The metal detector is easy to install and adopts a humanized design, which is very suitable for beginners and ren. And the included backpack makes the detector convenient to carry and s your hands during outdoor activities. Also it's very lightweight, so the fun can go on without getting tired. 2. Accurate Detection Modes: This metal detector uses the latest technology chip, which can accurately detect extremely small metals. Three detection modes fully meet ren's curiosity and daily detection needs, you can easily find the ferrous/medium conductivity/high conductivity metals. 3. Search Coil Backlight Display: IP68 search coil (control box is not waterproof) let you explore ly in sea/river/beach, and have a chance to discover more buried treasures. The powerful AA battery meets the needs of ren to play all day, and the adjustable brightness LCD screen helps you clearly distinguish the type and location of the detected metal in different environments. 4. Buzzer Detection Prompt Adjustable Height: Share your treasure hunting spirit with your little ones! Our metal detector can be adjusted from 25 to 31 inches, enough to fit any ' height. When detecting metals, the display will show the darts and start beeping, and the beeping will get louder the closer you get to the metal.