The XP invents the first wireless detector.... it seems very interesting
http://www.xpmetaldetectors.com/uk_detecteurs_DEUS.php
* 4 frequencies (4kHz ; 8kHz ; 12kHz ; 18kHz) + shift plus/minus
* Power and Recovery adjustable (2 or 3 times faster/slower than the Gold Maxx Power)
* Audio Response, Iron level, Multi tone, Notch, Discrimination etc
http://www.xpmetaldetectors.com/uk_detecteurs_DEUS.php
* 4 frequencies (4kHz ; 8kHz ; 12kHz ; 18kHz) + shift plus/minus
* Power and Recovery adjustable (2 or 3 times faster/slower than the Gold Maxx Power)
* Audio Response, Iron level, Multi tone, Notch, Discrimination etc