Minelab GPX 5000 Metal Detector MPS, DVT & SETA Technology delivers to you the most technologically advanced detector yet making small hard to hear nuggets more obvious Automatic Ground balance options make it easy to adjust the detector to suit all ground conditions Audio adjustments to maximize target signals for your personal hearingAutomatic and Manual options to minimize electrical interference Backlight so that you can read the LCD menu in any light, for you to detect day or night; Preserve battery with an adjustable timeout Six preset Search Modes gives you easy switch on and go detectingAll six can be modified to your personal favorite settings