DescriptionDo you want a kind of scanner to find stud, live AC or metal pipe within the wall? Do you want to detect metal inside the wall? This can be your best choice. Really practical and useful, just carry it with youFeatures-Color: Yellow-Material: ABS, electronic components -Size: 16.50X7.50X3.60cm/ 6.48X2.95X1.41in Battery: 6F22 9V (not included)- It is used to detect the center position of metal or wood stud in the wall. - In addition, it can detect the metal and voltage functions in the wall, whether the wires in the wall are live or not. - Whether you are a professional, homeowner or a DIY enthusiast, you can find great use in this electronic stud scanner. - Metal scanning for finding nail, pipe, rebar and other hidden metallic objects. - Simple in structure, easy to use, not easy to deform, you can use it with confidence.