DROK LCD USB Digital Multimeter DC 4.5-5.7V 0-3A Voltage Current Power Multi Meter Panel Gauge Voltmeter Ammeter Volt Amp Watt 3in1 Detector Power Monitor for Battery Capacity Charging Testing

The USB power meter can be used to display a variety of USB power adapter, car charger or mobile power supply output voltage current and power,
can also be used to diagnose the quality of USB port contacts, the quality of USB cables, as well as to assess the capacity of mobile power.

Features:
The use of low-power single-chip 10bit ADC SCM
LCD screen can display various data clearly and accurately
Six kinds of real-time display mode, the voltage, current, power, the capacity of a single charge, total charge capacity, the charging time.
Full charge off automatically, to avoid overcharging
Ultra-low current-sense resistor effectively reduce the pressure drop
Overvoltage protection and alarm (Max 5.7V)
Overcurrent protection (Max.3A)

Specifications:
Operating voltage range: 4.5 - 5.7V DC
Operating current range: 0 - 3A
Voltage detection accuracy: + / -0.5%, resolution: 0.01V
Current detection accuracy: + / -1%, resolution: 0.01A
Sense resistor: 10mΩ
Static power consumption: 20mA
Dimensions: 43x25x11mm

Package include:
1x USB power Monitor