- It can measure the USB-powered devices and easy to use and practical.
- Compact and easy to carry, no additional power supply, plug and play.
- It can easily measure the output voltage of the USB port and the device operating current or load voltage.
- Detect any USB charger such as PC USB, home charger, car charger,Computer,and so on wide range of applications.
- USB monitor will automatically cut off when the device is full charged, makes it controllable and more secure when charging.
Details: Voltage : 3.5V-9V ( 1% accuracy ) Current:0-3 .3 A ( accuracy of 0.4% ) Battery Capacity(0-99999mah) Working time (0-99Hour) Display screen: 0.91" OLED screen
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