GMS 120: The most reliable multi-detector in its class! - Maximum reliability: all objects are found and application errors are avoided due to the automatic calibration - Reliable detection even of deep-lying objects -- up to a depth of 12 cm - Even more reliable detection of objects due to three-colour LED luminous ring - Pinpoint indication of the object's centre with the "Centre Finder" scale - Better visibility of the result due to illuminated display - Marking hole with LED luminous ring - Three detection modes for different applications: drywall mode, metal mode, mode for live cables.