Latest USB C Voltage and Current Tester: The testers are widely used in the quality inspection of 3C digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts. Wide Applicability: This USB C tester Measuring voltage: 4V-30V; measurement current: 0-5A. Real-time detection of device charging status, voltage, current, power, capacity and other indicators. Measurement Data Are Guaranteed: Power-off storage function that stores capacity and energy data when the mobile power is turned off, which is convenient for later viewing and convenient for measuring the capacity energy of the mobile power. IPS LCD screen: Uses a high-definition IPS color LCD screen to display the device's charging status, voltage, current, capacity, energy, power, equivalent impedance, temperature and other indicators in a glance. 4-bit precision for more precise measurements. Button Function: Click the button to view the charging data recorded in groups 1 to 9; press and hold the button for 3 seconds to clear the charging data saved in a single group; double-click the button to rotate the display contents for convenient viewing. Connection method: USB Type-C power adapter - USB Type-C tester - charging or digital device.