VANQUISH 540: for the serious detectorist who demands ultimate performance. As if Multi-IQ technology, audio control, and pinpoint wasn?t enough the 540 also boasts iron-bias control, red LED backlight and rechargeable batteries. What?s more, it comes with a waterproof 12? coil as standard for greater depth. No matter where the hunt takes you, the 540 is the ultimate detector that lets you detect on your terms.