Features: Experience cutting charging technology with KM003C, a portable USB C fast charging tester that supports the PD3.1 and QC5.0 protocols for power delivery. Boasting a high resolution IPS screen, precise voltages and current accuracy, and extensive voltages of 0-50V, this digital voltmeter and ammeter is the perfect tool for enthusiasts and professionals. Suitable for gadget lovers, electronics engineers, and hobbyists who demand accurate measurements for devices. Use it in your home workshop, electronics lab, or while on the go to test and ensure your devices are charging safely and efficiently at speeds. With comprehensive testing capabilities, and easy to use, the KM003C is essential accessory for anyone optimized their charging setups. Specifications: Component:Metal Screen resolution: 240×240 Test interfaces type: USB C. Power supply communication port: USB C (5V) Internal resistance of interfaces: about 20mΩ Typical working current: 15-50mA. Voltages accuracy: 0.00002V V. Current accuracy: 0.00003A Voltages Ranges: 0-50V Current Ranges: 0-6A Size:Approx.36mm/1.42inch Package Includes: 1Pc USB C Power Meter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.