Description:1. Real-time detection of the state of charge of the appliance, voltage, current, power and other indicators;2. The tester is widely used in the quality inspection of 3C digital and peripheral products of USB interface.It is the for electronics enthusiasts;3. It adopts 0.96 inch IPS high-definition color liquid crystal display, which can be connected in two directions, 160 degree wide viewing angle, high brightness and long working life.4. Support the identification of QC2.0, QC3.0, PD, for quick charge protocol; 5. Internal use of professional instrument sampling circuit, coupled with precision algorithm, ensures the accuracy and stability of the product at the hardware and software level;6. With power-off storage function, when the mobile power is cut off, it can store capacity and energy data, which is convenient for subsequent viewing, and is convenient for measuring the energy capacity of the mobile power source;7. Can help us clearly understand the load resistance and current discharge power, and better understand the range of use of the load.Specifications:Voltage: 4-30VVoltage resolution: 0.002ACurrent: 0-5ACurrent resolution: 0.002ACapacity: 0-999999mWhLoad resistance: 1-9999.9Power: 0-150WEnergy: 0.999999mWhTiming: 0-99 hoursInterface: USB24pinTest direction: two-wayDisplay: 0.96 inch color screenNote: Due to different production batches, there may be slight differences in products.Colour: BlackMaterial: Plastic Package Contents:1 x USB Tester Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.