ANCEL AD530 2.8-Inch Screen OBD2 Car Engine Tester Car Battery Test Tool 1. AD530 can not only check engine faults and provide maintenance suggestions, but also serve as a professional battery tester that can check the health of the car battery. 2. AD530 car diagnostic scanner supports turning off the malfunction indicator light (MIL), readingclearing fault codes and resetting monitors, drawing real-time data flow charts, displaying freeze frame data, testing O2 sensors, EVAP system tests, IM readiness status (emissions), testing advanced on-board monitoring and retrieving vehicle information (VIN). In addition, this car code reader is equipped with the latest industrial chips, and the scanning speed is 2 times faster than other car code readers. 3. AD530 can check the real-time battery voltage, then compare it with the voltage parameters in the reference system, and finally display the test results in text and graphics; through the prompts of the interface and the changes in the real-time voltage graph, you can better understand the health of the battery or the expected remaining life. 4. When you press the "i" key, you will get accurate repair instructions instead of a bunch of technical terms that you dont understand. You can save the trouble of going to the mechanic and can decide whether you can solve the problem yourself or need more advanced help, saving your money and time; you can also print fault codes with code definitions. 5. The product is equipped with a 2.8-inch color TFT screen, upgraded to STM 32-bit CPU, with high speed and stable performance. 6. The AD530 engine light diagnostic scan tool can fully diagnose your cars data, displaying graphical data streams: calculated load value, engine coolant temperature, intake manifold absolute pressure, vehicle speed, intake air temperature, air flow sensor, air pressure, control module voltage, fuel rail pressure, etc. Compared with other simple scanners, AD530 can more intuitively understand the engines operating status. 7. Screen size: 2.8 inches 8. S