Portable size: the small size of this tool is very convenient for daily use, you can also easily hold it while you use it. This wall detector scanner can help you quickly locate edges and centering metal, bolts, beams, pipes and live AC cables behind walls, floors and ceilings. The measurement ranges of wood are 38 mm, AC wires 40 mm, metal tubes 100 mm and reinforcement rods 120 mm. The HPC detection module can make this wall detector scanner with better anti-interference capacity and higher computing speed. Multiple forecasts: the screen shows the target depth, reaches the detection centre and the material, the indicator light lights yellow or red depending on the target distance, the green light means no carrying. It beeps even when a target is detected. There will be continuous alerts when the centre is reached. This wall detector scanner can help you locate edges quickly and center metal, bolts, beams, pipes and live AC cables behind walls, floors and ceilings. This tool can be widely used in your home decoration, installation of household appliances, etc. Features: The HPC detection module can make this wall detector scanner with better anti-interference capacity and higher computing speed. Multiple Predictions The screen shows the target depth, reaches the detection center and the material, the indicator lamp lights up yellow or red depending on the target distance, the green light means no carry. It also beeps when a target is detected. There will be continuous warnings when the centre is reached. Wide Applications This tool can be widely used in your home decoration, wall decoration, installation of household appliances, road maintenance and so on. Center positioning hole design, you can directly mark the drilling position after detection and achieve precision drilling.