Voltage/Metal/Wood Stud Detector with LCD Display - LCD Live Wire and Stud Detector for carpenters and electricians.Voltage/Metal/Wood Stud Detector with LCD Display features include: Detects wood, metal &: live wire through drywall &: other common wall materials Easy to read LCD display &: audio signal indicated when target is located Locates &: Traces hot wires Continuously detects the presence of AC voltage for safety Detects metal up to 1-1/2in, Detects voltage up to 3in, Detects wood up to 3/4in, , stud deep function detects wood up to 1-1/2in, Operated by one 9V battery (not included) Order Qty of 1 = 1 Piece Below is more info on our Voltage/Metal/Wood Stud Detector with LCD Display