Features: Experience precise measurement of voltage and current with the Coulometer, featuring a split cores current for integration into various applications. With a single screen digital display, this Coulometer ensures easy readability and employs high precisions sensors to ensures data accuracy and stability. For electronic engineers, DIY enthusiasts, and electrical equipment maintenance personnel who require reliable monitoring of current and voltage. Perfect for home circuit testing, laboratory experiments, industrial equipment monitoring, and DIY electronic projects, providing functionality across different setting. Constructed from ABS material, this multifunction power monitors is engineered to withstands rigorous use while delivering consistent performances. Specifications: Material: ABS Measuring Ranges: Voltage: 8-120V Capacitance: 999AH Size: About. 68x40mm/2.67x1.57in Package Includes: 1 Set Coulometer note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.