Price: GFX-7000 gold finder machine deep underground searching metal Detector, deep gold metal detector The Ground Search series Model GFX 7000 Advanced Metal Detector is a top quality metal detector and the most sensitive of all the Gold Centurydetectors. The advanced features of this unit will allow youto findtreasure that others have missed! This model is intended for the experienced treasure hunter who demand high performance and extreme sensitivity. Product Introduction: 1. Gold detecting is a fascinating and rewarding activity enjoyed by people all over the world .By getting to know your SPY5000 detector you can become one of the many who find gold and valuable treasure on a regular basis. 2. The GFX 7000 is a high quality electronic instrument .It is a high precision instrument incorporating Multi-period sensing (MPS).Dual Voltage Technology (DVT). This ensures an accurate Ground Balance to provide maximum sensitivity and depth in all ground types. Smart Electronic Timing Alignment (SETA) and the latest in high tech analogue components combined with advance digital processing.