OLED 128x64 USB Tester DC Voltmeter Current Voltage Meter Power Bank Battery Capacity Monitor QC3.0 Phone Charger Detect

Overview Multifunction wide voltage type 3 30V 0 96 OLED USB Security Monitor Voltage current capacity Electrical voltage power timing and other data a screen display Take all measure This test can be a USB charging current voltage discharge capacity Quantity of electric charge power timing intelligent devices It can be very easy to find digital device charging problem Tester three dimensional size 65 24 14mmThe only button on the tester is used to view and test data switch The tester can be powered down to save datFunction Key Descriptions Long press display after sale interface on the front page the reset function on the interface of magnification capacity and electric quantityDouble click capacity zero clearingThree click electric quantity zero clearing electric quantity and capacity with PW CUT MEMORY Four click cumulative time reset to zeroFive click enter into charging timing and cut off duration settingsFeatures 1 100 Brand New and High Quality 2 This is the mini USB meter It can measure voltage current power and capacity 3 It can clearly display all the data Can easily measure the USB port and device operating current and the output voltage charge discharge capacity performance and judge the performance of the charging cable charging equipment4 This tester can meet the requirements Fit to factories laboratories and personal use wide range5 Easy to use easy to take alone no additional