Startechcom usb voltage and current tester kit
Startechcom usb voltage and current tester kit lcd display shows the charging voltage and current between your mobile device charge cable and charger fast charging capabilities for apple and android devices led light indicates whether the voltage v is being displayed or the current a is being displayed secure charging with public usb ports or when charging with unknown devices this diagnostic kit gives you everything you need to make sure your usb devices are getting the proper charge i