This VANNER EM70D Battery Equalizer Electrical System Monitor is a top-quality product that will ensure your commercial truck's electrical system is running smoothly. With its advanced features, this monitor is perfect for detecting any issues related to the truck's battery and electrical system. It is manufactured in the United States and comes with a manufacturer part number of EM70D. The VANNER EM70D Battery Equalizer Electrical System Monitor is designed for use in commercial trucks and is a must-have for anyone who wants to ensure their truck's electrical system is running at its best. It comes with a range of features including a warranty, making it a reliable and long-lasting solution for your truck's electrical needs.