1.5-in-1 Wall Stud Detector: This advanced wall scanner is equipped with five versatile scan modes to meet all your detection needs. It features 1/2" bolt scan, 1" bolt scan, 1-1/2" bolt scan, metal scan, and AC scan. Easily find wood studs, metal studs, beams, metal pipes, rebar, and live AC lines concealed behind walls, floors, and ceilings. Automatic Calibration and Simple Operation: Turn on the stud finder and place it against the wall for quick calibration. It will flash and beep upon detecting the edge of a bolt, ensuring maximum reliability and accuracy with minimal effort. Large LCD Display and Audio Alerts: The stud finder comes with an easy-to-read LCD display that shows the center and precise location of detected objects. Sound reminders enhance visibility and help you work more efficiently on your projects. Highly Compatible Design: This lightweight and durable stud finder is perfect for professionals, homeowners, and DIY enthusiasts alike. Use it for various home improvement tasks, such as mounting TVs, installing bathroom cabinets, hanging photo frames, or setting up garage shelves. Whether you're a seasoned expert or a weekend warrior, this electronic bar scanner is a practical tool that simplifies your project planning and execution.