Features:  Humanity Design: The metal detector is in accordance with ergonomic design, comfortable and convenient to use, giving you a better experience.  A Perfect Gift: Whether you are a treasure hunter or a beginner, you can enjoy the fun of metal detection, this detector is a perfect gift choice for your families and friends.  Easy to Install: The installation is simple and convenient, you can complete the assembly by yourself, just connect several parts together correctly.  Waterproof Search Coil: Waterproof search coil design makes this metal finder suitable to use in more areas such as shoreline, mountains or fields afar and so on.  Headphone Jack Design: There is equipped with 3.5mm headphone jack,you can use a headphones to avert the sounds from bothering bystanders and make it easier to identify subtle changes in sounds you hear.  ALL METAL Mode: This mode let you search for all different types of metal with auto ground balance and high sensitivity.  Metal Pointer: The  metal pointer on the screen will swings to the right if metal is found.    Specifications:  Mateiral: metal+plastics  Type: with earphone, without earphone (optional)  Search coil diameter: 165mm / 6.5inch  Power: 2 * 9V rectangular alkaline battery (NOT INCLUDED)  Package size: 405 * 201 * 100mm / 15.9 * 7.9 * 3.9in  Package weight:  Without earphone: 1128g / 2.5lb  With earphone: 1178g / 2.6lb    Without Earphone packing list:  1 * Metal Detector Main Unit  1 * Detection Coil  2 * Connecting Rod  1 * Bag Accessory  1 * User Manual    With earphone packing list:  1 * Metal Detector Main Unit  1 * Earphone  1 * Detection Coil  2 * Connecting Rod  1 * Bag Accessory  1 * User Manual