Function: Built-in US-A interface, Micro-USB, Type-C interface with an external 16-bit PD protocol physical chip. Real-time monitoring of charging voltage, current, power, capacity, charging protocol, and waveform. High Precision: Switch between five or six-digit display with a single button, offering a maximum resolution of 0.0001. High Speed: USB 3.0 interface with a 9-pin design, backward compatible with USB 2.0, providing 10x faster transfer speeds than USB 2.0. Data Logging: Save up to 10 sets of measurement data for convenient battery capacity calculations. High-Precision 6-Display: Switch between 5 or 6-digit display with a single button, achieving a maximum resolution of 0.00001 for subtle voltage and current changes. Can detect low current even with original Apple cables. Upgraded Interface for Double Speed: Features a USB 3.0 interface with a 9-pin design, backward compatible with USB 2.0, offering 10x faster transfer speeds. Detects charging protocols for OPPO, Huawei, OnePlus, and more without original cables. Multiple Data Logging Sets for Battery Capacity Calculation: Save up to 10 measurement data sets and calculate battery capacity. Gravity Sensing Auto-Flip Screen: Improved screen flipping via gravity induction. Disable gravity direction identification for continuous screen orientation. Flip screen anytime using the middle button. Built-in Battery Capacity Calculation Formula: The tester includes the formula for calculating battery capacity, simply multiply the result by 1000. Cable Internal Resistance Detection: Measures cable internal resistance using the differential pressure method, ideal for use with constant current loads. Size: 34*74*13mm Quantity: 1 piece