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. Dual Port --- Tests most common standard USB-A or USB-C ports,and fast charge mode recognition, it can recognize QC 1.0/2.0/3.0/4.0. 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: 1-480 Support fast charge protocol: (QC 1.0/2.0/3.0 Type-A),(QC 1.0/2.0/3.0/4.0 Type-C) Package Weight: 64g/2.3oz Package Size: 13*6.5*2.3cm/5.1*2.6*0.9in Packing List: 1 * USB Tester