Designed to meet the needs of modern drivers, this voltage meter helps optimize battery usage and prevent overcharging or undercharging. Its compact size and advanced features make it a valuable accessory for automotive enthusiasts, ensuring smooth operation and peace of mind during daily commutes or long journeys. Features -Color:Grey -Material: -Size:7.80X4.20X2.50cm/3.07X1.65X0.98in -Real time voltage tracking: monitors battery voltage continuously to prevent unexpected power failures, ensuring and reliable driving experience -Dual voltage system compatibility: making it suitable for a variety of vehicles, from compact cars to large trucks -Advanced charging technology: features multiprotocol fast charging to quickly replenish battery power, enhancing overall driving efficiency -Usb charging convenience: provides a builtin usb port for charging electronic devices, adding practicality to long distance travel -Battery longevity insights: displays detailed battery health information to help users maintain optimal performance and extend battery lifespan Package list: 1 battery monitor