KWS-V21 USB Tester

Features: 1. Safe charging, real-time monitoring to master your charging data. 2.100% new and high quality 3.USB charger mobile power tester power detector voltage ammeter 4. It can measure the voltage, current, power, capacity and timing of the port (USB PC, mobile phone charger, car charger, mobile power supply, etc.). The breakpoint automatically saves the data. 5. Suitable for laboratory and personal use, a wide variety, easy to use, easy to carry alone, no additional power supply, plug and play.