Description This battery voltage display tool is designed to monitor the power levels of automotive batteries, ensuring optimal performance and reliability. Featuring a sleek and compact design, it integrates seamlessly into various vehicles. Its compatibility with lithium batteries and USB fast-charging protocols makes it versatile for modern energy systems. Features -Color:Grey -Material: -Size:7.80X4.20X2.50cm/3.07X1.65X0.98in -Real time battery monitoring: provides accurate voltage and power readings to prevent unexpected vehicle startup failures, ensuring a smooth driving experience -Dual voltage compatibility:making it suitable for a wide range of vehicles, from passenger cars to commercial trucks -Fast charging technology: equipped with multiprotocol fast charging capabilities to quickly restore battery power, reducing downtime and enhancing travel efficiency -Integrated usb port: features a builtin usb interface for convenient charging of smartphones and other electronic devices during long drives -Enhanced battery health insights: displays precise battery status to help users identify potential issues early, extending the lifespan of the vehicle's batteryPackage list: 1 x car battery monitor