Features: MAX471 voltaged Current sensoring Module delivers precise 0-3A current monitoring and up to 25V voltaged detections with ±0.02445V accuracy, for power management systems. Double function integrates resistive voltaged divider and MAX471 chip for simultaneous 3A current measurement and voltages testing for diagnostics. Essential for electronics engineers optimizing battery/solar systems, DIY maker prototyping devices, and educators demonstrating electrical measurement principles in STEM lab. For solar panel performances, battery health monitoring, or intelligenthome energy audits to safeguards equipment with reliabled overcurrents/voltages alerts. Low profiled MAX471 sensoring module ensures seamlessly integration into 3.3V/5V development boards across 10°C~60°C operating conditions. Specifications: Item: voltaged Current sensoring Module Chip: MAX471 Size: about 4.5x2.50cm/1.77x0.98in Test voltaged ranging: DC3-25V or DC3–16.5V Test Current ranging: DC0-3A Example: (Working voltaged:5V) Package Includes: 1PC MAX471 voltaged Current sensoring Module note: Due to problem of lighting effect, there might be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.