DESC: With your Famous Trails Metal Detector, you can hunt for coins, relics, jewelry, gold, and silver just about anywhere. The Metal Detector is versatile and easy to use. Its features include: Three-Tone Audio Discrimination ? sounds distinctive tones for different types of metals, to make target identification easier. Analog Meter? shows the probable type of metal being detected. Auto Tune ? lets you tune your detector quickly for accuracy. Arm Support ? lets you carry and operate your detector comfortably. Waterproof Search Coil ? lets you use the detector to search under water. (The search coil is waterproof, but the detector?s control housing is not waterproof.) Adjustable Stem ? lets you adjust the detector?s length for comfortable use. Headphone Jack ? lets you connect headphones (not supplied) to the detector. Low Battery Indicator ? lets you know when it is time to replace the batteries. Features: Features three (3) distinctive alerts for different types of metal Ferrous/Non-Ferro