Detects deep-lying objects up to a depth of 12cm. With 3 detection modes for various applications. Most objects are found and application errors are avoided due to the automatic calibration. Pinpoint indication of the objects centre with the Centre Finder scale and display of material properties. Detects Ferrous Metals, Non-Ferrous Metals, Wood & Live Wires Backlit Digital Display Max. Ferrous Detection Depth: 120mm Max. Non-Ferrous Detection Depth: 80mm Max. Live Wire Detection Depth: 50mm Without Auto Power Off Audible & Visual Alarm Automatic Calibration Marking Hole with LED Ring Detects Ferrous Metals, Non-Ferrous Metals, Wood & Live Wires Backlit Digital Display Max. Ferrous Detection Depth: 120mm Max. Non-Ferrous Detection Depth: 80mm Max. Live Wire Detection Depth: 50mm Without Auto Power Off Audible & Visual Alarm Automatic Calibration Marking Hole with LED Ring