300s structure detector. backlit lcd screen for easy reading in low light conditions. includes: scan mode for precise detection up to 75mm. lcd screen with center viewfinder. audio and visual alerts, electricity detector. scan mode for quickly locating and identifying materials with greater accuracy. detects: detects wood up to 38mm deep, ferrous metals up to 75mm deep, non-ferrous metals up to 38mm deep, and ac cables up to 51mm deep. features structural centering for quick and accurate location of suitable fixing points. operates with the push of a button, automatic calibration, and single-pass technology for fast and easy operation. includes a convenient marking channel. audible alert for wood, metal, or ac (optional). audible alert + led for ac cable detection. includes a quick start g