Bidirectional Current Voltage Testing : Easily diagnose short circuits or defective fuses by attaching the alligator clamp to either negative or positive ground. Sharp Probe & Large Alligator Clip : Reach tight spots and pierce insulation with precision using our durable and flexible stainless steel probe. Heavy Duty Tester : Built to withstand the rigors of daily use, this tester is designed for mechanics, electricians, and enthusiasts alike. Professional Auto Voltage Continuity Test : Ideal for 6V-12V-24V DC systems, ensuring accurate detection of power, ground, and circuit integrity. EXTRA LARGE 54” Cord : Increases flexibility, range, and freedom when testing various automotive and electrical circuits. In the world of automotive and electrical repairs, precision and safety are paramount. Our Circuit Tester is designed to meet the demands of professionals and DIY enthusiasts with its bidirectional current voltage testing capability, making it perfect for a wide range of applications. The sharp probe and large alligator clip ensure that every connection is tested accurately, even in the most challenging spaces.