Analog DC 50mA Current meter
This meter is great for monitoring the current of the laser tube to prevent it from over-driven. .
It is a must-have meter for laser machine,and it can also be used for other DC device current measuring purpose.
Dimension (W x H x D): 119.3mm x99.63mm x 57.52mm or 4.7" x 3.92" x 2.27"
Nuts and washer are included