1. REALTIME MONITORING: This car battery tester enables continuous monitoring of battery voltage, lifespan, and charging status, ensuring you are always informed about your vehicle battery's condition and can avoid unexpected breakdowns. It is ideal for users who want to keep an eye on their battery performance and respond promptly to changes. 2. INTELLIGENT DATA RECORDING: The device automatically logs startup and shutdown processes as well as driving time, providing clear historical data for easy analysis. This feature is particularly valuable for fleet management and maintenance planning, as it allows you to track battery trends over extended periods. 3. WIRELESS CONNECTIVITY: Equipped with 4.0 technology, the tester wirelessly connects to your smartphone via an app. The userfriendly interface presents essential battery information in a clear and concise manner. 4. MULTIDEVICE SUPPORT: The accompanying app allows simultaneous monitoring of multiple battery testers, which is especially beneficial for workshops or battery service stations that require efficient management of numerous batteries. Save time by monitoring different vehicles in parallel.