Feature: 1. [LCD Display] The USB tester features 2.0 inch high definition LCD screen, ensuring clear visibility of measured data. Simple display interface and independent function menu ensure user friendly operation. 2. [Advanced Interfaces] Our USB voltage current power tester is equipped with 5P high current USB A and 24P all pin Type C input output interfaces, offering quicker and efficient charging testing. 3. [High Accuracy] Boasting 0.00001 low resolution, the USB voltage current meter can real time monitor subtle fluctuations in voltage, current, and power during charging, ensuring accurate measurements. 4. [Wide Compatibility] Supports automatic protocol detection and protocol deception, allowing you to play with fast charging like PD 2.0, PD 3.0, QC 2.0, QC 3.0, QC 4, for FCP, for SCP, for AFC, for PE, for DASH VOOC, for SuperVOOC. 5. [Data Recording] Records 10 sets of charge and discharge energy data, and comes with built in battery capacity calculation formulas for quick capacity calculations based on recorded data. Specification: Item Type: USB Tester Material: PCB Index Range Resolution Accuracy Monitoring Voltage 4~28V 0.00001V ±(0.29‰+2) Monitoring Current 0~7A 0.00001A ±(0.5‰+2) Monitoring Power 0~140W 0.00001W ±(0.5‰+2) Load Equivalent Resistance 0~9999.9Q 0.0001Ω ±(0.5‰+2) D+/D- Voltage 0~3.3V 0.001V ±(1.0%+2) Device Temperature ℃ 1℃ ±(1.2%+3) ℉ 1°F ±(1.2%+4) Capacity 0~9999.99Ah 0.00001Ah / Power Consumption 0~9999.99Wh 0.00001Wh / Cable Internal Resistance 0~9999.9Q 0.0001Ω / Device Running Time 99 days, 23:59 minutes, and 59 seconds 1 second / Record Time 99 days, 23:59 minutes, and 59 seconds 1 second / . Package List: 1 x USB Tester