The Gold Bug has the entire features you may need in a prospecting detector with no of the additional bells and whistles that make up most best-of-the-line types. The MINELAB Gold Monster 1000 is specially engineered for gold prospecting with its groundbreaking 45kHz frequency that catches even the smallest nuggets. http://forum.446.s1.nabble.com/Modern-Solutions-for-Gold-and-Metal-Hunting-td136577.html