This is a single output unit with a 10 turn potentiometer.
This is a smooth power source and its mini size makes it perfect for travel.The case is 3 3/8"W x 4.75"D x 1 3/8"H.
This unit runs 110v.
0-18V and 1.5A.
Clip cord and foot switch sold separately or use the drop down menu to add it to this power unit and save a few bucks.