Mudder® USB Current Voltage Meter Tester Current Monitor for Smartphone Tablet Gadget USB Charger Solar Panel Battery Charging Status (2 pack)
Wait to know why your USB Charging is slow and take forever time?
This meter is all your need!
Through “DR.CHARGER”, you could clearly know the condition of the charger, phone, usb cable and every USB device
2x USB Current Voltage Meter
- Extremely Portable, Light Weight, Small Size and Durable, No Extra Cable or Power Supply Needed
- Easy to measure the USB output voltage and the device input current or loader voltage
- Available for USB electronic product, such as PC USB, home charger, car charger, solar panel, etc
- Plug and play, light and handy, easy to carry and no need external power
- Detection range: Voltage: DC 3V-7V, Error 0.1V; Current: 0-3.0A, Error 2%