Color: blue/grey

Name: KWS-V20 (blue)/KWS-V21 (gray)

Size: 59mm (with USB 73mm) *23mm *13.5mm (length, width and height)

Voltage: Input and output voltage: 3-9V (blue) / Input and output voltage: 4-20V (gray)

Voltage resolution: 0.01V

Input and output current: 0-3A

Current resolution: 0.01A

Accuracy: plus or minus 1%

Line loss: 0.1 ohm or so

Weight: 20g

Absolute guarantee of high quality and inexpensive!