The Geepas Voltage Tester is a non-contact voltage tester. It is a non-contact voltage tester that detects 100-240V AC and indicates the presence of voltage in cables, cords, circuit breakers, light fixtures, switches, outlets and wires as well as AC voltage in doorbells, thermostats, low voltage lighting and irrigation systems. It contains screwdriver heads along with a tester that would adjust or fix nearly everything out there. Made of smooth plating finish the blades are of non-corrosive material. The handle of the screwdriver set is wide enough to give you the most comfort which can avoid sliding when you use the screwdriver set. The voltage tester comes with standard blades which are easy to fit in the handle according to requirement. The handle comes with a tester to know the flow of electricity.