Can this power supply be used with both 110V and 220V input voltage settings, and how do I switch between them if necessary?

Yes, this power supply can be used with both 110V and 220V input voltage settings.

Questions & Answers: 110/220V to DC 12V 10A 120W Switch Power Supply Driver Power Transformer for CCTV Camera Security System LED Strip Light(12V 10A)

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110/220V to DC 12V 10A 120W Switch Power Supply Driver Power Transformer for CCTV Camera Security System LED Strip Light(12V 10A)

1Item Name : Switching Power Supply Driver;
2Widely used in Industrial automation, Radio, Broadcasting, LED display,
3Input: AC 110-220V /50-60Hz; Output : DC 12V, 10A/120w;
4Dual input voltage: AC 110V/220V.There is a switch, choose the proper voltage before use.
5Case Material: Metal;Main Color:Silver Tone;