Winbest Master-200 Metal Detector Water Resistant Coil Adjustable 49 in Maximum Black. The Master 200 Detector features a user-friendly interface that displays the type of metal it's detecting right on the screen so you'll know immediately if you've detected "junk metal" or something more valuable like silver and gold. This saves you time by avoiding common metal items such as screws nails bottle caps and lets you focus on the valuable items. The 10" search coil is weather sealed and is capable of detecting in shallow water. With this easy to operate metal detection device you'll be hunting for coins relics and other unseen treasures in no time Specifications for Winbest Master-200 Metal Detector Water Resistant Coil: Manufacturer: Winbest Additional Features: Water Resistant Coil Features of Winbest Master-200 Metal Detector Water Resistant Coil: 10 inch Search Coil All Metal / Discriminate Modes Submergible Search Coil Adjustable Sensitivity Low Battery Indicator Arm Rest Adjustable Stem Headphone Jack Volume Control Search Modes 4 Audio Tone ID Levels 3 Search Coil Inch 10 in Adjustment Length 22 in to 28.5 in Product Weight 2.25 lb Batteries Requires 2 9V Battery (Not Included) Package Contents: Winbest Master-200 Metal Detector Water Resistant Coil Winbest BE12596: Master-200 Metal Detector Water Resistant Coil Adjustable 49 in Maximum Black