Can this power supply be used with both 110V and 220V outlets, and does it automatically adjust for voltage differences?

Yes, this power supply can be used with both 110V and 220V outlets.

Questions & Answers: 300W 0-60V 0-5A 110/220V DC Power Supply High Voltage stabilizer Power Supply Regulated Power Supply for Factory Maintenance(U.S. regulations)

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300W 0-60V 0-5A 110/220V DC Power Supply High Voltage stabilizer Power Supply Regulated Power Supply for Factory Maintenance(U.S. regulations)

It provides power source for factory maintenance, calibration positions, and can be integrated into test&equipment cabinet.
This power supply has output voltage current rating range of continuous adjustable, constant voltage constant current (CV/CC) automatic conversion mode of operation.
The power supply is a simple, accurate DC power source with full indicated power which has improved power efficiency high as 80%.
100% brand new and high quality.
Dual-display head displays output voltage and output current independently, multiple protection functions including current-limiting buck, short-circuit protection, over-temperature protection.