Treasure Cove Fortune Finder Metal Detector (Model: TC-1020) Discrimination Mode: Sensitivity can be manually adjusted to ignore ferrous metal set to just ignore nickel zinc and copper, or set to ignore most metal objects except silver Tone Mode: Detector can discriminate the metal type with a high or low tone All Metal Mode: Detector can be used to search for all kinds of metal objects Target Mode: Pinpoint the exact location of the already detected object with accuracy Adjustable metal shaft; Analog Display; Headphone Jack (headphone not included)