... locates cables,gas and water pipes,electronic conduits and steel joists. WPP123 wire,pipe,power detectorAvoids drilling or cutting into unseen ... locates cables,gas and water pipes,electronic conduits and steel joists.Detects mains power and traces breaks in circuits and ... .Audio and visual indicator system with battery low warning light.Metal test: 15mm diameter steel tube,24mm depth Voltage mode: ...