_x000D_ 1 Piece Stud Finder Wall Scanner-5 In 1 Wall Detector Electronic Stud Sensor Plastic Pipe Joist Beam Finders Edge Center Finder _x000D_ _x000D_ 1/2inch Stud Scan Mode:Detects wood or metal studs up to 13mm deep _x000D_ 1inch Stud Scan Mode:Detects wood or metal studs up to 25mm deep _x000D_ 1 1/2inch Stud Scan Mode:Detects wood or metal studs up to 38mm deep _x000D_ Metal Mode:Detects metal up to 80mm for magnetic(60mm for non-magnetic)deep _x000D_ AC Mode:Detects live unshielded AC wires up to 51mm deep _x000D_ _x000D_ Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! _x000D_ Metal Depth Indicator _x000D_ Green Backlight _x000D_ Low Voltage Indicator _x000D_ Battery Type:9V battery(6F22,not include) _x000D_ Operating Current:Less than 50ma _x000D_ Shutdown Current:Less than 10UA _x000D_ Automatic Shutdown Time:3 minutes _x000D_ 1. Detection Mode Selection _x000D_ Stud Mode _x000D_ In stud mode, there are 3 scan modes o choose for properly thick of the scanning surface: _x000D_ 1/2inch Scan Mode can detect 1/2 in. (13mn) deep. _x000D_ 1 inch Scan Mode can detect 1 in. (25mm)deep. _x000D_ 1 1/2inch Scan Mode can detect 1 1/2 in.(38mm) deep. _x000D_ If you don't know the depth of the detection, it is recommended to use 1/2inch scan mode first. When 1/2inch scan mode is not detected, use 1inch or 1 1/2inch scan mode instead. _x000D_ Metal Mode: _x000D_ The detection of magnetic metal can be as deep as 3.2 in. (80mm)(diameter 15mm galvanized steel tube) It can detect non-magnetic metals up tc 2.4 in. (60mm) (diameter 13mm copper tube). _x000D_ AC Mode: _x000D_ Detect unshielded AC live wire up to 2 in. (51mm) deep. _x000D_ Colour:Black _x000D_ Material:Plastic _x000D_ Size:About 165x74x40mm _x000D_ _x000D_ Package Contents: _x000D_ 1 * Stud Finder Wall Scanner _x000D_ _x000D_ Only the above package content, other products are not included. _x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_