USB 5V 9V 12V 20V QC 2.0 3.0 OLED Current Voltage Tester USB Charger Voltmeter

Features:100% Brand New and High Quality2.USB Charger Doctor Mobile Battery Tester Power Detector Voltage Current Meter3.This is the mini USB meter. It can measure voltage, current, power and capacity4.It can clearly display all the data5.Can easily measure the USB ( PC USB, cell phone charger, car charger , mobile power , etc. ) port and device operating current and the output voltage charge-discharge capacity,performance, and judge the performance of the charging cable charging equipment, this tester can meet the requirements !5.Fit to factories, laboratories and personal use, wide range and Easy to use, easy to take alone, no additional power supply, Plug and play.Specifications:Material: PlasticColor: BlackVoltage: 3-9V+/-1%Current: 0-3A+/-1%Time: 0-99HPacking Includes:1 x Current Voltage Capacity TesterNote:1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures.2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.