[Dual-Use Design]This electricity tester pen combines the functions of a voltage tester and a screwdriver in one, giving you more versatility. The tester pen checks circuit voltage, while the screwdriver is perfect for tightening various screws. [Easy to Use]When using the voltage testing function, be sure to insert the screwdriver into the base and place your fingers firmly at of the handle. The neon light illuminate to indicate the presence of voltage, ensuring safe handling and preventing potential hazards. [Comfortable Non-Slip Grip]This electric tester pen features an ergonomic design with a non-slip grip, providing a stable and secure user experience. Even during prolonged use, it reduces hand fatigue and ensures a firm hold to prevent slippage, offering greater control and safety. [Neon Light Display]Equipped with a built-in neon light, the tool lights up when it detects voltage. The higher the voltage, the brighter the neon light becomes, helping you easily determine the strength of the electrical current and ensuring safe operation. [Magnetic Screwdriver Tip]The magnetic tip of the screwdriver is compatible with both Flathead and slots, allowing it to attract screws and small metal parts, preventing them from falling off and increasing work efficiency. Perfect for home repairs, electronic testing, automotive work, and more, it meets a wide range of with ease and practicality., Manufacturer: Akfldms