Wall Detector Scan Pipe Center and Edge Wooden Drywall Stud Detector in Black Description: [Comprehensive Detection Modes]: The HW QB6 handheld stud detector is equipped with multiple detection modes,including scanning of 1/2" do pins for detection of wooden or metal studs with a depth of do 13 mm,Stud scanning 1" do depth do 25 mm and 1 1/ Stud scanning 2" do depth 38 mm. It also has a Metal mode that detects metal with a depth of do 80 mm or 60 mm, and a mode that detects unshielded live wires with a depth of do 51 mm. [Advanced Features]: This wall comes with a metal backlit depth indicator for easy reading. It also has a low level indicator that alerts you. [Automatic Shutdown]: Handheld Stud turns off automatically after three minutes of inactivity. [Material]: The wall is made of electronic components that are durable and can be used for a long time. [Compact Size]: This handheld device ma 7.68in x 3.46in x 1.50in, making it compact and portable enough to use on the job site or for sam projects at home. Specification: 19,5 cm x 8,8 cm x 3,8 cm / 7,68 inch x 3,46 inch x 1,50 inch Size Chart: Battery Type: 9V Battery (6F22) Operating current: