The Instek GPS-3030DD is a single output, 90W, linear DC power supply. The GPS-3030DD includes a dual LED display meter with a power output of 90 watts. The GPS 3030 DD features overload and reverse polarity protection as well as high regulation and low ripple / noise that are maintained at 0.01% and < 1mVrms, respectively. Continuous or dynamic internal load selection accommodates applications such as pulsed current. Remote control terminals offer programming and operation from an external device. The GPS-3030DD also can provide two readouts simultaneously with the dual LED display. The GPS3030DD comes with a user manual, power cord, and a GTL-105A test lead, but can also get an optional GTL-204A test lead.