[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 screws. [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. [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. [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. SPECIFICATIONS Screwdriver : straight and screwdriver Colour: Yellow Material: Plastic + Metal Package Contents: 2 x Screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.