12-24V DC Automotive Circuit Tester for Car Electrical System Short Detection with Flashlight Continuity Testing and Grounding Features： 1、Multi functional Design: TopDiag P55 automotive circuit tester is a multi-functional driving test pen. It can not only carry out component activation, continuity test and ground detection, but also track and locate short circuit problems, and carry out positive and negative pole detection. One tool can meet a variety of test requirements. 2、Flashlight Function: In addition to being a car circuit testing, TopDiag P55 also has a flashlight function. This means that you can use it for testing at night or in low light environments, providing convenience and safety. 3、Wide Compatibility: TopDiag P55 automobile circuit tester is applicable to the detection of all 12-24V vehicle electrical systems. This tester can be used for cars, trucks, SUVs, excavators, boats, etc. to ensure the normal operation of your vehicle\u0027s electrical system. 4、Short Circuit Positioning Function: TopDiag P55 automobile circuit testing pen has the function of short circuit tracking and positioning. When you encounter a circuit short circuit problem, it can help you quickly locate and provide accurate short circuit locations, saving you time and energy. 5、Convenient to Carry: TopDiag P55 automobile circuit testing pen is compact, portable and easy to carry. You can place it in the storage box or toolbox in the car and use it anytime, anywhere. Whether it\u0027s repairing at home or troubleshooting on the roadside, this tester is your ideal choice. Specification： Features: Multi-functional Design: TopDiag P55 automotive circuit tester is a multi-functional driving test pen. It can not only carry out component activation, continuity test and ground detection, but also track and locate short circuit problems, and carry out positive and negative pole detection. One tool can meet a variety of test requirements. Flashlight Function: In addition to being a car circuit testing, TopDiag P55 also has a flashlight function. This means that you can use it for testing at night or in low-light environments, providing convenience and safety. Wide Compatibility: TopDiag P55 automobile circuit tester is applicable to the detection of all 12-24V vehicle electrical systems. This tester can be used for cars, trucks, SUVs, excavators, boats, etc. to ensure the normal operation of your vehicle's electrical system. Short Circuit Positioning Function: TopDiag P55 automobile circuit testing pen has the function of short circuit tracking and positioning. When you encounter a circuit short circuit problem, it can help you quickly locate and provide accurate short circuit locations, saving you time and energy. Convenient to Carry: TopDiag P55 automobile circuit testing pen is compact, portable and easy to carry. You can place it in the storage box or toolbox in the car and use it anytime, anywhere. Whether it's repairing at home or troubleshooting on the roadside, this tester is your ideal choice. Operation Instructions: Unroll the unit's cable Clamp the red clip to the positive terminal of the vehicle's battery Clamp the black clip to the negative terminal of the vehicle's battery Specifications: Brand: TopDiag Model: P55 Color: Black Material: Plastic Operation Voltage: 12-24V DC Working Current: 80mA Activation Current: 0-8A Cable Length: 4M/13ft Tester Body Size: 135*35mm Package Size: 24.5*8.5*4.6cm Package Weight: 290g Package List: 1 * Automobile Circuit Tester Package List： 1 * Automobile Circuit Tester