Product Description: 8" INTERCHANGEABLE, WATERPROOF SEARCH COIL *3-POSITION MODE SWITCH *DUAL-TONE DISCRIMINATION *POWER & SENSITIVITY CONTROL *DISCRIMINATION CONTROL *DETECTS COIN-SIZE OBJECTS UP TO 7" DEEP *LARGER OBJECTS UP TO 3 FT *HEADPHONE JACK *5-YEAR LIMITED WARRANTY *INCLUDES POUCH & DIGGER