Key benefits Clear display with multiple indicators for easy status monitoring of voltage, current, and power flow. Versatile testing for electronic equipment, power banks, mobile power sources, and chargers. Quick and convenient setup with plugandplay operation; compact and lightweight for easy portability. Precise current testing by adjusting load resistance to simulate different current levels and verify performance. Product features Function: a power testing module that enables accurate evaluation of power delivery across varying currents. Compatibility: designed to test electronic equipment, power banks, mobile power sources, and chargers. Size and portability: compact, lightweight construction for easy transport and onthego use. Performance: precise current control achieved through adjustable load resistance to measure power under different loads. Use scenarios Scenario 1: Verify a USB charger or wall charger by applying known load levels and observing voltage stability and current delivery to ensure consistent performance under realuse conditions. Scenario 2: Test a power bank or mobile power source by loading it at different current levels to assess how it maintains voltage as discharge current changes. Scenario 3: Evaluate a device under test by measuring its power draw and confirming that the power supply or charger can meet the required current without excessive voltage drop. Notes The description reflects the unit's core functions: clear indicators, versatile testing scope, plugandplay usability, and precise current control through load adjustment. Construction emphasizes a compact and lightweight form factor suitable for portable use.