Multimode detection for detection of wood studs, metal objects or live wiring; Illuminated ring indicates detection status–green (no object found)/orange (object near)/red (object found within the detectable sensor area) ; Automatic center finder locates center of detected wood or metal object,; Illuminated graphical display indicates mode, detection strength & more ; Audible detection signal with on/off button; Ergonomic soft-grip sides for secure grip & comfort; Illuminated ring indicates detection status; 3 selection modes (wood, metal, AC wiring) with automatic calibration for easy & precise detection ; Detects copper wiring up to 2″ deep; Detects ferrous metals up to 4 3/4″ deep; Detects nonferrous metals up to 3 1/8″ deep; Operating temp: 14deg F-122deg F; Weight: 1.7lb; Includes hand strap & 9V battery;