2-in-1 Electric Tester Screwdriver: This tool combines the functionality of a standard screwdriver with a built-in voltage detector pen, offering a versatile solution for both tightening screws and testing electrical circuits. Clear and Yellow Design: The clear and yellow color scheme enhances visibility and makes the screwdriver easy to locate in your toolbox, ensuring you can quickly find the right tool for the job. Dual Functionality: Switch seamlessly between using the screwdriver for mechanical tasks and the voltage detector pen for electrical checks, streamlining your work and reducing the need for multiple tools. Ergonomic Handle: The ergonomic handle design provides a comfortable and secure grip, minimizing hand fatigue during extended use and enhancing overall user experience. Ideal for Home Improvement: Perfect for a wide range of home improvement tasks, including installing light fixtures, outlets, switches, and other electrical components., Manufacturer: YSAMAX