Features three (3) distinctive alerts for different types of metal Ferrous/Non-Ferrous discriminator distinguishes iron/steel from silver/gold One-Touch auto-tune and very low frequency design for accurate detection Ground control tunes out false signals in areas with profuse minerals View meter and pointer with ferrous and non-ferrous indicator lights Adjustable metal shaft and arm-supporting handle for comfortable use Front Mounted 1/8" headphone jack Requires two 9-Volt batteries (not included) Model: MD 1023 SKU: DSD416765 Weight 10LB