Specifications: -Brand new and high quality. -It can measure current and voltage of the power supply equpment with USB port. -Plug and play, no extra power supply needed. -The voltage and current will be displayed circularly. -small sized, easy and convenient to carry. -Workable range: U=3.5 ~ 7.5V, A=0 -~3A. -Resolution: voltage 10mV, current 1mA. -Error range: voltage <±1%, current <±2%. -Full-scale voltage drop:200mV. -Workable temperature: -20 - 60℃. -Size: 5.2cm x 1.5cm x 3.4cm. Package Included: -1 x USB Current And Voltage Tester(2in1)
K**B
Works well
I used this to check some of my powered USB devices to check V and Amp draw. Works well, and pretty accurate, from the few comparisons i made with multimeter. This tool works a lot better than trying to align pins and probes with multimeter....
K**R
Question RE: where to use this device??
I’m not sure what it was suppose to do??
P**E
Exactly what I ordered
Exactly as described
R**R
Did not work out of the box
Some of the elements that should light up to show characters on the display did not light up.
Trustpilot
2 weeks ago
3 weeks ago