Configuration details: XP DEUS Detector with WS4 Backphone Wireless Headphones + 11" X35 Coil + Remote. New high performance and versatile X35 coil allows you to choose from a wide range of frequencies ranging from 3.7 kHz to 27.7 kHz. In total there are 35 available frequencies, based around 5 main frequencies that are quickly accessible. This model ships with software version 5. The complete XP DEUS metal detector is covered by a five year parts and labor warranty.