Features: 1. Enhanced safety and accuracy: Our stud detector is equipped with advanced sensor technology to ensure first-class accuracy and safety. It can quickly identify metal pipes, live wires, bolts, wooden frames, steel bars, and support beams hidden behind the surface. Whether you are a professional contractor or a DIY enthusiast, this electronic screw scanner is an essential tool for your project. 2. Five in one multifunctional detection: This wooden/metal stud detector is equipped with high-quality sensors and a shockproof and dust-proof body, making it durable and long-lasting. It has five scanning modes suitable for different wall thickness materials, including 1/2 inch, 1 inch, and 1.5 inch deep scanning, metal detection up to 2.36 inches, and live unshielded AC wire detection up to 2 inches deep. 3. LCD upgrade design and audio alarm: The upgraded backlit LCD display provides a clear interface that can display the direction and accurate position of the target even in low light conditions. When approaching the edge or center of the target, a buzzing alarm will alert you to ensure accurate detection every time. 4. User friendly and reliable: This stud finder prioritizes safety and helps you avoid potential hazards by accurately locating hidden metal, wood, and AC wires. This wall scanner is perfect for identifying bolt positions when installing items such as televisions, cabinets, and garage shelves, enhancing project safety. 5. Easy to calibrate: Ensure perfect accuracy through simple calibration before each use. Press the scan button to calibrate. Once the bar graph disappears and the buzzer sounds, the calibration is complete. When scanning, keep the tool tightly against the wall and avoid shaking, tilting, or pressing hard. After detecting the edge of the stud, the stud detector will emit a buzzing sound. 6. Widely applicable: Quickly locate wood, metal, and AC wires hidden in walls, floors, and ceilings. This type of screw detector is indispensable for installing televisions, cabinets, garage shelves, etc., and can help you avoid potential hazards in projects. Specification Material Science: ABS+TPE Color: Yellow Packaging size: 176x72x37mm Power supply: 9V battery Weight: Approximately 210g (without electricity) Package Include: 1x metal detector (no battery, 1 9V battery needs to be provided)