Comes with USB cable for simple wiring between meter and shunt Includes mounting screws and clear instructions for quick panel or enclosure installation without special tools Features 100A copper shunt for seamless charging / discharging without rewiring Tracks both solar / generator charging and inverter / load discharging simultaneously on single display Built with industrial grade ABS housing that resists impacts and high temperatures Operates efficiently at just 5mA working current with 0.5mA standby consumption to minimize battery drain Single button reset clears capacity / time data while preserving settings LCD ensures readable measurements in all lighting conditions for indoor / outdoor use This digital coulomb meter precisely measures voltages, current, capacity, power, and time ( hours) in real time Ideal for batteries in solar systems, e bikes, and off grids power setups, Manufacturer: Kaeltsyn