The BK Precision 1685B switching mode DC power supply provides various configurations of high output voltage or high output current in a small, lightweight form factor. In addition to the constant voltge (CV) and constant current (CC) modes, this high efficiency DC power spply offers unique preset and remote control modes. Up to three different presets of voltage and current values can be saved for quick rcall through a rear switch. For remote control, an analog remote control terminal is accessible on the rear, or use the USB interface to communicate with the power supply via PC software or remote commands. These Features: make the 1685B suitable for a wide range of applications including production testing, telecommunications, R&D, electronic field service, and university labs.