1. Real-time monitoring of the appliance's charge status, voltage, current, power, and other indicators;2. This tester is extensively utilized for quality inspection of 3C digital and peripheral devices with -C/USB interfaces. It is ideal for electronics enthusiasts;3. Features a 0.96 inch IPS high-definition color liquid crystal display, with dual-direction connectivity, 160-degree wide viewing angle, high brightness, and long operational life.4. Supports identification of QC2.0, QC3.0, PD, and fast charging protocols;5. Utilizes a professional instrument sampling circuit along with a unique precision algorithm, ensuring product accuracy and stability at both the hardware and software levels;6. Equipped with a power-off storage function, it can retain capacity and energy data when the power supply is disconnected, making it convenient for later review and aiding in measuring the energy capacity of the power source;7. Helps users clearly understand load resistance and current discharge power, providing better insights into the load's operational range.Please note: Any slight physical color variance or difference does not affect functionality; please don't mind, thank you!Colour: BlackMaterial: PlasticPackage Contents:1 x -C TesterOnly the above package content is included; other products are not included.Note: Light reflection and different displays may cause slight color discrepancies between the item and the picture. Measurement allowed error is +/- 1-3cm.