Features: Experience precision at its best with our USB Head Four Wire Kelvin Clip, a must have tool designed to accurately measure internal resistance and deliver stable data for your critical assessments. Crafted from quality plastic materials, this Internal Resistance Tester Probe features a sophisticated designings that ensures durability and consistent Performances for all your testing needs. Suitabe for electronic engineers, battery manufacturers, and technicians specializing in electronic device repairs who demand precise battery internal resistance measurements. Whether it's for quality control in battery production, fault diagnosis during electronic equipment maintenance, or battery Performances evaluation and optimization, this probe clip is the professional's choice. Enhances your toolkit's capabilities with this easy to operate, rapid measuring Internal Resistance Tester Probe Clip, streamlining your workflow and elevating the standards of your electrical projects. Specifications: Material: plastic Type: 3 type for option Package Includes: 1xUSB Kelvin Test Clip note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.