Type-A/Type-C Interface Design: The UT658 series is designed with Type-A interface, Type-C interface, and dual interface, which is sufficient to cope with most mainstream charging interface choices Monitoring charging efficiency: Use UT658 to easily monitor charging efficiency at any time and protect your charging equipment Accurate measurement: Ut658 measures the output voltage, current, energy, capacitance, circuit equivalent resistance, d+and d - voltage of USB data cables to ensure accurate results Multi-functional applications: These USB testers are excellent tools for various applications, including production validation, engineering testing, and DIY projects Accurate and reliable: The UT658 series is designed to be accurate, reliable, stable, and portable, which is crucial for production validation, engineering testing, and DIY enthusiasts Efficient inspection of USB chargers: The second-generation UT658 series USB tester can inspect USB chargers, portable power supplies, data cables, and other electronic charging devices Specifications: Input/output interface: USB Type C Voltage measurement range: 4.00-24.0VDC; Resolution: 0.01V Current measurement range: 0.05-5.00ADC, Resolution: 0.01A (Type C) Capacity: 0-9999mAh, Resolution: 1mAh Electricity consumption: 0-1000Wh Equivalent resistance measurement of the circuit: 1-480Q Ohm USB data transmission line voltage (D+D -): 0-3.30V Storage: 10 sets of data Timing: 99 hours, 59 minutes, and 59 seconds, resolution: 1 second Support fast charging protocol: Supports USB 2.0 data transfer function, supports: QC1.0/2.0/3.0/4.0 Fast Charging Protocol (TypeC) Certification: CE certification