Features: The USB C tester can accurately detect the parameters of mobile phones, laptops and rechargeable batteries in the charging state. The charging voltage is 0-50V, the charging current 0-6A, the peaks value can withstands 12A current. The screen can be adjusted, the text is clear and the direction can be adjusted, so that the data can be read clearly regardless of the direction. The device can measure 10 parameters: instantaneous voltage, instantaneous current, instantaneous power, maximum voltage, maximum current, charging time, capacity, instantaneous temperature. Whether home, in office, ensuring operating safely and effectively wherever Specifications: Component:ABS Working voltage: DC4.5-50V Working current: 0-6A (peaks value 12A) Power consumption in this meter: < 0.15W Power display: 0-600W. Data retention period: ta=55℃ for 20 years. Capacity display: 0-99999mAh Working temperature: 0-45℃ Sampling resistance:0.001R Size:Approx.43x25x10mm/1.69x0.98x0.39inch Package Includes: 1Pc 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.