Features 1、[Multi Functional] This USB C tester can detect voltage, current, capacity, battery level, power, temperature, resistor, and charging time etc. data for USB C devices. 2、[Detects Fast Charging Protocols] This Type C tester can detect various fast charging protocols, including QC2.0, 3.0, 4.0 and for Super VOOC. The name of protocol will not be displayed. 3、[Data Security] Features power off storage function to store capacity and power data when power bank is turned off, allowing for easy viewing and measurement of power bank capacity and power. 4、[Wide Application] Measures voltage from 4V to 30V and current from 0 to 6.5A, suitable for testing of 3C digital peripheral products, suitable for digital gamers and electronics enthusiasts. 5、[Button Functions] 1. Single click to cycle through screens; 2. Double click to rotate displayed content; 3. Press and hold button (3 seconds) to clear all capacity, energy, and time. Specification Item Type: USB C Tester Material: ABS Timer: 0-99h Voltage: DC4-30V Current: 0-6.5A Minimum Testing Current: 0.02A Power: 0-195W Capacity: 0-99999mAh Watt Hour: 0-999Wh Package List 1 x USB C Tester 1 x Manual