This is a variable voltage and high current DC power supply.
It's excellent for amateur radio equipment transmitters and transceivers
The voltage is variable from 9 to 15 volts and the current is available up to 30 amps continuous.
The backlit display meter shows both the volts selected and the amps being drawn at the same time.
It has a variable NOISE OFFSET control to help reduce or eliminate pulse noise that the supply might generate.
Connection in the front is a cigarette lighter jack or spring connectors for low amperage accessories and connection in the rear is via binding posts for up to 30 amps.
$129.95 + $14.95 S/H/I in the continental USA