DC Power Supply Variable, Adjustable Switching Regulated Power Supply 30V 10A with Encoder Coarse & Fine Adjustments Knob, Beach Power Supply with USB 5V 2A Charge Interface

"LWLONGWEI PDS series DC bench power supply has undergone a series of upgrades in details.

It has 2 colors plus 6 specifications, all-metal body and more compact size.

And at the same time, we still see quality reliability as the top priority for DC regulated power supply."