Widely Use: perfect for finding metal objects and anywhere that hidden metal needs to be detected. Designed to search gold & silver jewelry coins and other metal in the ground Detection Coil: standard with a 11" DD elliptical waterproof search coil which would cover more extensive range and it can detect deeper underground. Multi-purpose Machine: detector with excellent gold prospecting capabilities that enable to find the smallest gold nuggets in highly mineralized soils. Special Function: with Pinpoint button for accurate detecting & 3 tones for three different metal categories LCD Analogue Display Audio and indicate the probable type of metal being detected with low battery indicator Unwanted Target Elimination: you can set the detector not to respond to some objects for gold exploration. Identify the metal in night or dark outside., Manufacturer: CFWWSAQ