The Bounty Hunter TK4 Tracker IV Metal Detector is a wonderful piece of equipment that is good enough both for the amateur weekend enthusiast and the professional treasure hunter. It is very sensitive and features the latest in metal detecting technology. It is designed for accurate detection in even the most extreme ground conditions in the world. It features three modes. These are motion all-metal, discrimination and two tone audio. Another great thing about this wonderful piece of equipment is the fact that it can differentiate between actual metallic objects and mineral ground content. Another great thing about this metal detector is the fact that it can be controlled to differentiate between a targeted metallic characteristic and unwanted metals. This ensures that serious treasure hunters can effectively conduct efficient searches over a certain grid with minimal false positives. This not only helps generate effective results, but it also helps morale. The Bounty Hunter TK4 Tracker IV Metal Detector is definitely a good buy.