Battery Testing and Vehicle Information Retrieval This OBD2 vehicle scanner offers fast and reliable access to essential vehicle information, including VIN numbers and other identification data. Ideal for inspecting used cars, it helps detect potential issues early, saving you time and money on future repairs. Integrated battery voltage detection lets you check your car battery status at any moment, ensuring you remain informed about battery health in real time. Simple PlugandPlay Operation Designed with userfriendly controls, the scanner features four buttons: scroll up, scroll down, enter, and exit, plus three diagnostic indicator lights for quick visual alerts. No extra software, apps, batteries, or chargers are needed; it draws power directly from your vehicle via the data link connector. Indicator lights communicate system status clearly: Green for vehicle detection supported, Yellow for detected vehicle fault, and Red to show normal power supply. for beginners and convenient for experienced users alike. Comprehensive OBDII Diagnostic Functions Equipped with a builtin DTC lookup library, you can quickly identify trouble codes and determine the source of engine warning lights. Supports battery voltage testing, oxygen sensor checks, and a wide range of diagnostic functions including: reading and erasing codes, viewing freeze frame data, I/M readiness checks, realtime data streaming and playback, graphical curve displays, vehicle information retrieval, load value calculation, coolant temperature monitoring, and engine speed measurement. Powered by the latest smart chip for improved accuracy and processing speed. Quality Display and Ergonomic Design The 2.8inch IPS fullcolor LCD screen delivers crisp, clear visuals so you can easily view diagnostic results. Ergonomically shaped for comfortable handling, its durable design ensures reliable use. The included 2.5foot cable is made from thick, flexible insulating material for both safety and durability. Compact and lightweight, it is easy to operate and convenient to carry in your vehicle or toolbox. Practical Use Scenarios 1. Pre used car inspection: Instantly retrieve VIN and run diagnostics to identify hidden issues before buying. 2. Routine battery health checks: Verify battery voltage at home or on the road to avoid unexpected failures. 3. Troubleshooting engine performance: Use realtime data and trouble code lookups to pinpoint and fix issues quickly without unnecessary trips to the mechanic.