Winbest Pro Edition Metal Detector by BARSKA Features two operation modes for custom detecting All-metal mode searches for different types of metal with auto ground balance and high sensitivity Disc Modes searches by discriminating what kind of metal is being detected Preset ground balance to adjust to different terrain Adjustable stem from 15.5 to 25 inches Adjustable arm rest Can be used with headphones for privacy View meter swings to the right when unit detects any metal 6.5-inch waterproof search coil allows you to search in shallow water 1-year limited warranty