Makro Gold Racer Standard Package Metaldetector Built on the cutting-edge RACER technology Gold RACER offers advanced gold prospecting capabilities Advanced features such as iSAT (Intelligent Self-Adjusting Threshold), iMask (Intelligent Masking), Tone Break, Audio Boost, superior discrimination ability as well as its improved ergonomics make this detector the most versatile detector on the market for finding nuggets, micro jewelry and even coins.