1. Five scanning modes Stud mode: 1/2 inch (13mm) depth Stud mode: 1 inch (25mm) depth Stud mode: 3/2 inch (38mm) depth Metal mode: 3.2 inch (38mm) depth AC mode: 2 inch (51mm) depth 2. Usage: Quickly locate wood, metal and AC wires hidden in the walls, floors and ceilings of your house. It works on laths, wallpaper, wooden floors, soundproof ceilings, painted walls, etc. Avoid danger when you install TVs, cabinets, garage racks, etc. 3. Battery: 1 x 9V battery 6F22 (not included) 4. Product size: 15x6.7x3cm 5. Packing size: 17.4x7.6x4.1mm 6. Gross weight: 170g
