Features: Versatile for Use - UT658 series USB testers measures output voltage, current, energy, capacity, circuit equivalent resistance, D+ and D- voltage of USB data cable, and more. This series is designed to be precise, reliable,stable, and portable.  Real-Time Monitoring - With LCD screen can show all the measure digital, easy to see the current and voltage of the devices, and monitoring charging efficiency at any time to protect charging equipment.  USB Port - Support Micro USB Connector and fast charge mode recognition, it can recognize QC 1.0/2.0/3.0. This design convenient to test devices be accurate, reliable, stable.  Premium Quality - The housing is made of high quality white ABS material, which has excellent insulation and very beautiful.  Wide Range of Application - Used in varieties of test: PC/Laptop/Desktop Computer/Mobile Phone/Power Bank/Charger/Discharge Load/Car Charger/Cable Measurement.   Specifications: Material: ABS;  Color: White;  Model: UT658A/UT658C/UT658DUAL;  Input & Output Port: Type-A / Type-C / Dual Connector (optional);  Voltage Range: 4-24V;  Current Range: 0.05-5A;  Data Storage: 10 group;  Capacity: 99999mAh;  Maximum timing: 99h, 59min, 59sec; resolution:1s;  Loop equivalent resistance measurement: 1-480Ω;  Support fast charge protocol: (QC 1.0/2.0/3.0 Type-A),(QC 1.0/2.0/3.0/4.0 Type-C);   Packing List: 1 * USB Tester