Stay-safe DIY with this multi-function metal, voltage and stud detector

No more burst pipes, electric shocks or wondering whether nails can be hammered successfully into plasterboard. This 3 in 1 metal detector senses metal, such as pipes, as well as voltage passing through wires. What's more, it can detect wood behind plasterboard or 'stud' walls, so that nails and screws can be secured in solid wood. H3.5cm W16cm D12cm.Takes one 9v battery (not included)