The DEWALT Stud Finder, model DW0100, is a versatile tool ideal for detecting studs, joists, and other materials in both wood and metal. With a 3/4" depth detection capability, this stud finder is compact and portable, making it convenient to use in various locations. It features automatic calibration, an LED indicator for easy viewing, and is powered by a battery for added convenience. The plastic construction and laser measuring technology make it a reliable tool for precise and accurate detections in your home or workshop.