Feature:1. LCD DISPLAY: Provides you with a high definition digital LCD display that clearly shows current, voltage, capacity, and the number of data with accurate data and reliable values.2. CABLE QUALITY TESTING: USB voltage current tester can test the quality of chargers and cables to provide a safe charging environment for your valuable equipment.3. ACCURATE MEASUREMENT: Voltage range 3‑15V, current range 0.05A‑3.50A. Built in professional sampling circuit ensures the accuracy, precise and stability of the results.4. MULTIFUNCTION: USB tester widely compatible with USB A port devices, such as cell phones, tablets, laptops, car chargers, power packs, wall chargers, cables, etc.5. COMPACT PORTABLE: Digital USB tester is compact and lightweight, which can be put in your bag for easy to carry, provide safe charging at anywhere.Specification:Item Type: USB testerMaterial: ABSModel: KCX 017Input: 3~15V/50mA~3500mAOutput: 3~15V/50mA~3500mACapacity: 0-19999mAh.Package List:1 x USB Tester1 x Manual