Makro Gold Kruzer Waterproof Metal Detector is waterproof to 5 meters. This High Frequency version operates at 61kHz for gold nugget prospecting. Ships complete with GK26C 10″ x 5.5″ Search Coil and a GK19 7.5″ x 4″ Search Coil and wireless headphones. 2 Year Warranty. Built in Recharge System.