Expert Quality, Detects live and dead electricity cables, metallic water pipes, nails and wood studs in partition walling. Buzzer sounds when objects are located. Maximum depth penetration; AC live wires 51mm; metal pipes 60mm and wooden studs 19mm. Uses a PP3 size battery (sold separately). Manufactured to IP52 Specification Features and Benefits • Expert Quality • Manufactured to IP52 Specification • Detects live and dead electricity cables, metallic water pipes, nails and other metal objects • Locates studs in partition walls • Buzzer sounds when objects are located • Maximum depth penetration; AC Live wires 51mm; metal pipes 60mm and wooden studs 19mm • Uses a PP3 size battery (sold separately) Contents 1 x Combined Metal, Voltage and Stud Detector with Digital Display