About This

GET INSTANT ACCURATE READINGS: Stop guessing and diagnose with confidence; this professional digital test light with voltmeter features a crystal-clear LED screen that provides precise, easy-to-read voltage measurements from 3-48V with 0.1V resolution, making it the perfect voltage tester for any automotive electrical work
AVOID COSTLY CONNECTION MISTAKES: Work safer and smarter with the intuitive dual-color polarity indicator; this automotive test light instantly illuminates green for negative polarity and red for positive polarity, helping you quickly identify circuit status and prevent damage to sensitive vehicle components
BUILT FOR THE DEMANDS OF THE GARAGE: Engineered for reliable performance in tough environments; this heavy-duty electrical tester is constructed with a rugged ABS body and a sharp stainless steel probe, designed to withstand the drops, grease, and impacts of a busy workshop or DIY garage setting
REACH ANYWHERE WITH EASE: Enjoy superior flexibility and convenience during diagnostics; the extended 96-inch flexible spring coil wire allows you to easily reach any part of your car, truck, or motorcycle from a single ground point; features an integrated anti-lost protective cover so you never misplace it
ONE VERSATILE TOOL FOR ALL YOUR NEEDS: An essential addition to any toolbox; this all-in-one automotive circuit tester is ideal for a wide range of 12V to 24V systems; perfect for checking fuses, verifying voltage at connectors, testing circuits, and tracing wires on your car, truck, RV, boat, and more