LCD USB Detector Voltmeter Ammeter Power Capacity Tester Voltage Current Meter tech Default speed rate is 665

Default speed rate is 665

non-slip embossing

Supply voltage: DC 12V

DIMENSION: 7

LCD USB Detector Voltmeter Ammeter Power Capacity Tester Voltage Current Meter tech Default speed rate is 665USB Power Tester Can easily measure the operating current of the output voltage of the USB port and equipmentSmall size, no power, and other ancillary equipment, plug and play also detect USB charger output voltage and current are standard suitable for factories, Laboratory and users. Uses a new generation of power four semi~ double loop integral converter IC, with a precision bandgap reference, range accuracy, high precision, stable and reliable