Specifications: • Depth Of Detection - AC WIRE: 100 mm • Depth Of Detection - WOODEN STUDS: 19 mm • Depth Of Detection - METAL STUDS: 45 mm • Depth Of Detection - COPPER PIPES: 25 mm • Power Rating: 9V AlkalineFeatures & Benefits• Audio & visual alerts improve ease of use • Accurately finds centre of wooden stud first time ensuring items to be hung are weighted evenly • LCD screen provides clear indication of concealed objects • Wooden Stud, Metal & AC Live Wire Detector offers the user peace of mind before drilling • Improved grip keeps unit flat to wall for more accurate results • Automatically detects live wires at all times for increased safety