Wall-mounted direct-current power supply device

The utility model discloses a wall-mounted direct-current power supply device. The system comprises a light-operated circuit, a remote control circuit and a single-chip microcomputer device. The DC-to-DC power supply module, the power supply socket, the remote control circuit and the single-chip microcomputer device are installed on the circuit board. The circuit board, the direct-current power supply body, the light-operated circuit, the illuminating lamp and the power switch are installed in the element box, the hanging ring is installed at the upper end of the rear side of the element box, and the direct-current power supply body, the direct-current to direct-current power supply module, the power socket, the illuminating lamp, the power switch, the light-operated circuit, the remote control circuit and the single-chip microcomputer device are connected through wires. According to the utility model, the light-operated probe can control the DC-to-DC power supply module to output four different voltage power