5 USB Tester DC Digital Voltmeter Power Bank Charger Voltage Current Ammeter Detector QC/PD3.0 Meter 18 In 1 + 65W Load ,Live Data

--6-Digit High-Precision Measurement Display --Uses professional instrument sampling circuit, voltage and current power measurement accuracy reaches 0.00001 It can measure the voltage and current changes during the operation/charging process of various DC inverters such as mobile phones, notebooks, desk lamps, routers, set-top boxes, etc., and can be analyzed by on the mobile phone! Remote setting parameters (Please press the button to observe the setting parameters of the UD18 host will flash, press this button multiple times to cycle the parameter setting) +/- : Remote host interface switching and value addition and subtraction adjustment keys Confirm: remote host screen flip and setting parameter confirmation and value clear key button!