INDICATION OF AC VOLTAGE FROM 100 TO 250 V - The tester allows working with different appliances and finding hidden wiring that will ensure safety while working with the electrical network. And the Geepas Voltage Tester is designed for testing the elements of AC circuits in household electrical appliances, wire calling and grounding. SET CONTAINS 2 INDICATOR SCREWDRIVERS - They are suitable for working with different devices. The sizes of the tools are 3×140mm and 3.5×190mm respectively. They have the right size, conveniently lies in your hand, and does not take up much space among other electrician tools. TOOL WORKS WITHOUT BATTERY, POCKET CLIP - This voltage tester doesn't need charging or battery. It can be used anytime and anywhere because you don't have to worry about having a power supply for it. Mini-clip keeps the voltage tester in place. You can attach it in your pocket and take it out at the time of need. SCREWDRIVER FUNCTION, SIMPLE TO USE - No specialized training is required to work with this screwdriver. Current passes through the sting, then through the limiting resistor and the light-emitting diode, after which it closes on the person. In addition to the function of the electric fence tester, this tool can be used as a screwdriver for small work at home, which does not require effort. SAFE IN WORK - Security issues are significant for repair work. One of the greatest dangers is electricity because electric shock can lead to grave consequences. Correct use of the tester will not cause harm. Even with the necessary contact with a screwdriver, you will not feel current because its amperage will be very small and almost invisible. The body of the voltage tester is made of high-quality plastic. Even with a drop, the screwdriver body is not dehydrated or cracked.