- TWO-PACK FOR CONVENIENCE: Includes two Electrical Voltage Tester Pen Probes, perfect for reliable circuit testing in vehicles and home projects. - USER-FRIENDLY LIGHT FEATURE: The built-in light indicator shows electrical flow clearly; attach the clip to ground and probe the circuit swiftly for effective diagnostics. - STURDY AND RELIABLE MATERIALS: Made from durable ABS and metal, these testers are designed to withstand frequent use while maintaining precise accuracy. - PORTABLE AND COMPACT DESIGN: Ideal for on-the-go testing, these pens are compact enough to fit into any toolkit or glove compartment. Applications: - Quickly diagnose electrical issues in car systems, ensuring safe and efficient repairs. - Test home wiring and electrical outlets, providing peace of mind during DIY projects. - Ideal for technicians and hobbyists alike, making it a reliable choice for both professional and personal use.