【High Sensitive and Waterproof Search Coil】 The Large 10" Search Coil makes metal detecting more effective. And the waterproof stem and coil enable you to use the metal finder underwater, perfect for outdoor, like beach, stream, Yard. (Note: The control box is not waterproof.) 【True Discrimination Mode】This metal detector can detect iron, aluminum, gold, bronze, silver and articles, Jewelry, etc. Simply set the target range (up to 7.1" inches deep) or eliminate the metal you don’t want. It can accurately find the certain metal you want. 【Intuitive LCD Control Box】 LCD display shows the detection mode, sensitivity level, battery condition, and volume level. An arrow will clearly tell you the type of metal. The depth of the target is also displayed. LCD Screen is very accurate and convenient. 【Pinpoints Function & Distinctive Audio Prompt】 You can tell what type of metal you've detected just by distinctive audio tones. And the pinpointer function enables to pinpoint a target accurately. It also can ignore junk metal and finds valuable items by setting the DISC range. 【Easy to Use & Lifetime Warranty】 With ergonomic lightweight design, it is easy to Use. The headphone Jack (3.5mm) allows to connect headphones (not include). We offer a FREE REPLACEMENT POLICY without any costs from your side and LIFETIME WARRANTY.