To learn how to check for the location of the electric leakage inside the building, houses that the wire that check is embedded within the plaster walls PC motherboard is difficult to check with the eyes
To make the electric leakage inside the building with quality. Cheap and easy to use.
To reduce the problem of when an electric leakage such as fire houses and buildings of the light is greater than the number used and the hazards of electric leakage into the residents.