Features: Discover solution for vehicle circuit troubleshooting with our Car Circuit Fault Tester, featuring precise digital display and multifunctional capabilities tailored for automotive diagnostics. Equipped with a LED indicator, buzzer alarm, and test cables, this circuit tester ensures accurate detection of voltage irregularities and circuit in low voltage systems. Essential for auto mechanic, electricians, and enthusiasts, this tool simplifies process of identifying electrical issue in various transport machinery. Whether you're maintaining car, motorcycles, or heavy equipment like bulldozers and excavators, this Auto Circuit Detector is your partner for on site repairs and electrical maintenance. Enhances your automotive toolkit with this easy to use circuit fault tester; its design and LED make it perfect for dimly garages or roadside emergencies, ensuring safety and efficiency in any repair scenario. Specifications: Material: Plastic Battery: 1x9V Battery(NOT Include) Working Temperature: -10 to 40℃ Working Humidity: Less Than 85% Size: About. 7.7x15.2cm/3.03x5.98in Package Includes: 1 Set Circuit Detector note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.