Five scanning modes: The stud finder provides a total of five scanning modes for detection. You can switch to any desired mode based on the tasks you have. Digital LCD display screen and audio alarm: The wall stud locator has a large LCD display screen with a large audible warning that can detect the precise position of objects, so you can know the situation behind the wall before completing work to avoid problems and dangers Accurate and fast positioning: The wall scanner uses intelligent micro sensor chips, which can accurately and quickly locate the edges and centers of metal, nails, joists, and pipes, as well as live AC wires behind walls, floors, and ceilings. Automatic calibration: The wall finder can automatically calibrate at any position on the wall to effectively locate the center of the stud. This feature greatly reduces errors in the application and ensures that most objects behind the wall can be detected. Widely used: The beam detector is a portable device widely used in home decoration projects. This electronic stud finder can quickly locate hidden wood, metal, and AC wires in walls, floors, towers, and ceilings of houses. characteristic:1. Wireless portability. Five scanning modes: (1) 1/2 "scanning: 1/2" (13cm) scanning mode to locate the center and edges of the wood. (2) 2.5 cm positioning pin scanning: Medium scanning can locate wood centers and edges with a depth of up to 25mm. (3) Positioning pin scanning: Deep scanning can locate wood centers and edges up to 38 millimeters deep. (4) Metal scanning: Metal detection depth up to 60 millimeters. (5) AC scanning: The AC scanner can detect undervoltage up to 51 millimeters deep. Backlit LCD display and sound indication.2. Automatically calibrate all detected functions. Low battery indicator light. Power supply: 1 x 6F22 9V battery (not included).Tip for use: Select the type of probe, then press and hold the side button and scan horizontally on the surface of the object. When placing the tool flat on the wall and slowly sliding it on the surface for scanning, do not shake, tilt, or press hard. A sharp down arrow and an indicator will light up to indicate the position of the edge of the nail. Continue dragging. When the center of the stud is located, the full bar on the signal intensity meter, the pointed arrow at the top of the bar, and the center indicator will appear, and the buzzer will sound. Package includes: 1 * Stud Finder Note: 1. Due to manual measurement, please allow a small error. Please make sure you don't mind before bidding< br> 2. Colors may vary depending on the display. Please understand< br> Note: Hello, please pay attention to your shipping address when purchasing products. If your receipt information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly.