Feature: 1. Multifunctional Monitoring: The tester can monitor the voltage, current, power, capacity, temperature, internal resistance and other data during charging. 2. High Performance: With 4 function buttons, 5 general interfaces, 7 display interfaces, which can test the charger, power bank, data cable, etc. 3. 360° Rotatable Screen: Support 360 degree arbitrary rotation of the screen, to meet various digital devices can be inserted at any angle to read. 4. Multiple Protocol Support: Support Type‑C interface, fast charging, support multiple protocols such as PD QC2.0 QC3.0 4.0MTK. 5. Color LCD Display: Display the data through the color LCD screen, with high measurement accuracy and more accurate readings. Specification: Item Type: Current Voltage Monitor Material: PCB Input Voltage: 4.50-24.00V Voltage Measurement Resolution: 0.01V Input Current: 0-3A Current Measurement Resolution: 0.001A Capacity Measurement Range: 0-99999mAh Voltage Measurement Accuracy: ±0.2% + 1 digital Power Measurement Range: 0-99999mWh Current Measurement Accuracy: ±0.8% + 3 digital Load Impedance Measurement Range: 1.5-9999.9 Time Measurement Range: 0-99 hours 59 minutes 59 seconds Temperature Measurement Range: -10℃-100℃/0F-200°F Temperature Measurement Error: ±3℃/±6°F Screen Brightness Setting: 0-5 total 6 levels Delay Off Screen Time: 0-9 minutes Voltage Curve Range: 4.5V-24.0V Current Curve Range: 0.00A-3.00A Fast Charge Recognition Mode: QC2.0/QC3.0 Display Screen: Color LCD display Refresh Rate: 2Hz. Package List: 1 x Tester1 x Resistor1 x Iron Box Note: 1. Insert the Type‑C data cable into the Type‑C input port of the A3 color screen tester, and then use the double male Type‑C cable to plug into the Type‑C output port of the A3 color screen tester, and the other end is connected to the mobile phone charging port. Complete the PD protocol and for QMI protocol pass through charging measurement.2. The above data of PS are obtained from experimental test results of engineers. There are differences in the use of different equipment, please refer to the actual situation.