This Craftsman® stud sensor combines both precision and efficiency. Designed for finding the centre of the stud for an unmatched precision, it allows you to find wooden and metal studs at depth of up to 1 1/2" (up to 2" for metal studs). Its automatic calibration system offers consistent readings, and it can even detect the presence of live wires, preventing you from drilling in your electric cables. LED arrows and audible notifications help you identify the location of the studs. In addition, this device is equipped with a centre marking pin that provides a visual reminder of stud location. Featuring a thin and ergonomic profile that allows for easy storage, this stud finder is backed by a lifetime limited warranty.