Velleman k7102 metal detector electronics kit
Velleman metal detector electronics kit velleman k7102 with this handy velleman metal detector kit you can find out before drilling whether there are metal objects to be found in a wall ceiling or floor so avoiding the potentially catastrophic consequences of drilling into gas or water pipes or through an electric cable an led indicates if there is a metal object in the vicinity giving you peace of mind when you start repair or decoration work if an audio signal is also desired space ha