**Product Description: Multifunctional Electric Wave Tester** - **Multifunctional Electric Wave Tester**: This versatile car tester features a DC digital display ranging from 3 to 60 volts, making it an essential tool for various testing needs. It also functions effectively as a robust light tester, providing comprehensive diagnostic capabilities. - **Built-in Voltmeter**: Equipped with a reliable voltmeter function, this tester allows you to monitor voltage changes in real-time. This feature enhances safety and reliability, ensuring you can quickly identify and address electrical issues as they arise. - **Durable and Portable**: Constructed with a sturdy structure, this tester is designed to withstand wear and tear, offering long-lasting durability. Its compact design ensures it is easy to carry and store, making it a convenient addition to your toolkit. - **Versatile Applications**: Ideal for testing various electrical systems in your vehicle, this tool is perfect for checking the functionality of headlights, taillights, and turn signals. Ensure all systems are operating correctly for safe driving conditions. - **User-Friendly**: Designed with simplicity in mind, this tester is easy to use, making it suitable for both DIY enthusiasts and professionals. Its intuitive design ensures that anyone can operate it with ease, providing a straightforward solution to electrical testing needs. Enhance your vehicle maintenance toolkit with this multifunctional electric wave tester, combining durability, portability, and ease of use. It's an excellent choice for those seeking to ensure the optimal performance of their vehicle's electrical systems.