1.BRIGHT BEADS LIGHTING The multifunctional screwdriver is equipped with high bright operation beads, which ensure clear vision even in sunlight. This function improves measurement accuracy and ease of use in different lighting conditions. The advanced chip control program on the motherboard ensures higher and a longer life. With its intelligent design, this screwdriver improved performance and reliability for longer use. 2.Non Voltage Detection The electrical test pen has a touchsensitive lamp head for socket testing. The green light indicates the neutral wire, while the red and green lights indicate the live wire. This allows and accurate identification of electrical connections. 3.Electrical Switch Testing: By touching the rod with the non induction test pin, you can check whether the core of the wire is undamaged. When the green LED light is on, it indicates that the wire core is intact. If there is no light, this indicates poor with the wire core. The screwdriver is designed for easy transportation, so you can take it anywhere. Its thoughtful design ensures comfort and careful handling during transport and use. 4.Breakpoint Identification Following along the wire, you can identify breakpoints where the green light disappears. This makes household screwdrivers easy to locate areas of separation or damage in electrical circuits.