- [MULTIFUNCTIONAL ELECTRICAL TESTER] The 6-24V Car Circuit Tester is essential for every car owner and mechanic. It effectively tests voltage polarity, inspects lights and motors, and pinpoints short circuits, helping you maintain and troubleshoot your vehicle efficiently. - [EXTENDED CABLE LENGTH] With an impressive 5-meter cable, this tester provides ample reach to access and test multiple electrical components in your vehicle without any hassle. - [USER-FRIENDLY DESIGN] Designed for simplicity, just connect the tester to your vehicle's battery and toggle the power switch to easily assess positive and negative currents, making it suitable for both novices and professionals. - [SAFETY FIRST WITH SHORT CIRCUIT PROTECTION] Equipped with built-in short circuit protection, this circuit tester quickly identifies poor grounding contacts, ensuring safe and effective diagnostics. - [VERSATILE APPLICATIONS] Ideal for everyday car maintenance and troubleshooting. Use it to check your vehicle’s lighting system, examine motor functions, or identify short circuits during electrical repairs. - [DURABLE AND RELIABLE] Crafted to withstand regular use, this circuit tester is designed for long-term reliability, making it a smart addition to your toolbox. - [COMPATIBILITY] Compatible with a range of vehicles, this 6-24V tester is a versatile solution for various automotive electrical systems.