Hand-held, 3-function detector locates the presence of metal, timber studs and joists, and live cables with both LED and audible signals. Adjustable detector sensitivity for improved accuracy. Requires 1 x 9V (PP3) battery. Includes calibration tool. This versatile tool is designed to make your projects safer and more efficient. With its ability to detect timber, metal, and live wires, you'll never have to worry about hidden dangers again. Its adjustable feature ensures accurate positioning, while the clear LED and audible signals provide instant feedback. Plus, it requires just one 9V (PP3) battery (not included) and includes a calibration tool for precise use.