Swarm Series MX 400 Digital Metal Detector with durable lightweight poly carbonate construction; 5" Color TFT Screen with Touch Screen technology and adjustable display; GEO-X GPS Technology allows saving and locating up to 10 locations; 8 metal categories and adjustable discrimination (10-99); 4 elimination modes (All-Metal Coin Jewelry and Custom); Over 150 different elimination possibilities; 4 individual HD audio tones with multiple tone choices; Signal strength and depth indicators in pin point mode; Quick release extension rod design adds up to 7"; Adjustable arm guard with strap; External 3.5mm headphone jack (headphones not included); Can detect quarter sized coins up to 12" away; 11" DD submersible coil; Right or left-handed use; Built-in LED Flashlight; Trigger activated Pinpoint; Uses (6) AA-cell alkaline batteries (not included).