? Automatic tuning & ground balance ;? Power/sensitivity adjustment;? Trash eliminator control to remove most undesirable items from detection;? Includes .125 headphone jack & headphones ;? Treasure meter to determine strength of signal ;? Detects coin-sized objects up to 6 deep; larger objects up to 2ft ;? Motion all-metal mode for detecting all types of metal ;? Brown box packaging;? 1-year limited warranty;