FeaturesCheck the charging performance of your USB Type-C devicesMeasure current, voltage and wattage being receivedOLED displayPerfect for testing the power supply charging your power bank, tablet, smartphone and laptopNo driver requiredThe Kavalan USB-C Power Meter Tester with LCD Screen enables you to check the charging performance of your USB Type-C devices. Measuring the current being received by your USB Type-C device, the voltage of the power source and the power direction you\'ll be able to ensure that your using the correct charger for your power bank, tablet, smartphone and laptop. The OLED displays Volts, Amps and Watts and an arrow indicate the direction the power is flowing to or from the device. Simply connect the male and female end of the tester into your device and read the data in real-time. No driver required.