Fast and simultaneous Multi Frequency programs covering a large spectrum of targets and 49 single frequencies from 4 to 45 kHz with a high sensitivity and iron discrimination capability; Wireless and without latency using the XP patented radio protocol system; The target signals generated by the search coil are quickly transmitted to the headphones without any delay; All terrain : the DEUS II with the FMF coil performs extremely well in all terrain and conditions, both on land and at sea, thanks to Fast Multi Frequency technology; Fully waterproof IP68 : certified for submersion up to 20m/66ft, waterproofing and pressure resistance guaranteed to detect underwater with your XP DEUS II; Certified with the LONGTIME label: 5 year warranty and designed to last with a wireless coil battery life up to 20h depending on the programs and frequencies