Comprehensive Battery Test - Easily checks the health and state of charge ( and SOC) of automotive batteries, displaying key data such as voltage, internal resistance and cold cranking current (). Works with a wide range of 12V batteries, including regular flooded, flat, spiral, GEL and batteries. your batteries are in optimal condition for reliable performance. Efficient Cranking Test - Performs an accurate cold cranking amperage () measurement to determine the reliability of your battery as a starting battery. This feature is critical for diagnosing starting problems and ensures that your vehicle start smoothly, even in cold conditions. Ideal for vehicle owners and service technicians dealing with frequent starting problems. Accurate Charge Test - Evaluate the efficiency of your alternator with the Charge Test, which measures the alternator's ability to efficiently charge the battery. This test is critical for identifying problems that cause rapid battery drain, ensuring proper operation of the vehicle's electrical system, and extending battery life. Convenient Data View - The View feature makes it easy to access and view data from the last measurement, providing an to track and compare battery performance over time. Ideal for users who need to monitor the condition of their batteries on a regular basis, this feature provides a straightforward way to analyze previous test results. Color: Black & Red Material: plastic Package Contents: 1 set * car battery diagnostics Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.