Long and short tester screwdriver

• It is a test screwdriver used to detect the electrical current in an electrical outlet or connecting wire.
• When the metal tongue of the screwdriver is inserted into one of the sockets or touches a wire, with one of the fingers placed on the back of the screwdriver, the light will glow, indicating the presence of an electric current. If it does not glow, it means there is no electric current.

Technical specifications