USB Voltmeter Ammeter Charger Indicator

Usage: The USB detector can easily measure the operating current of the output voltage of the USB port and equipment. Convenience: The tester is of small size and does not need to be connected with other power source to use which is convenient. Fits Places: The professional charger indicator is very suitable to be used at factories laboratory and you can also keep on at home in case you need it. Wide Use: The testers can be used to measure voltage loads USB terminal equipment working voltage and current which is useful. Portable: As the detectors are small and lightweight so they can be taken within our clothes pocket to any places. Scope of Work: 0-3A. Operating Range: U:3-8V I:0-3A. Resolution: Voltage: 10mV Current: 1mA. Error: Voltage