It detects all types of metals and it will not detector non-metallic objects or weapons that do not contain metal. Very small metal objects, such as the metal rivets sewn into clothing, will not be detected beyond a range of one inch from the object. It detects large environmental metal objects, such as the metal reinforcing bars in floors, will not be detected beyond a range of several inches. Upon release of the “Momentary Low” switch, the detector will return to normal operation. In this, the detector will NOT emit an audible tone upon the detection of metal objects. The vibrator will activate upon the detection of a metal object. Red LED flashes when a
metal object is located. The Yellow LED indicator light will illuminate and remain illuminated when the batteries are discharged to the point at which the detector has lost 10% of its metal detecting range. The audible alert will also lengthen (the tone will sound for a longer period of time) upon detection of a metal object, when the batteries become discharged to the point at which the detector has lost 10% of its metal detecting range.

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