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12v alarm clock

Will) Travel 30w Power Supply (220V -> 110V 120V & 0.6A power adapter to work with Together?

IH9 iHome clock radio alarm brought before the United States in China. Here electric 220V, but only with the power to support and shoddy iHome 120V. We will need an adapter from 220V to 110V step down. Adapter Typically sold in stores here, they all enter the 220 – Receive 240V outlet and the word 110 – 120V, 30W. iHome input adapter says 120V & 0.6A. And Output 12V 1 baekmilriampeeoipnida 천 8. Therefore, the equation P = 4 is a right to use the adapter needed to support it 'd 120 V * 0,6 = 72w? (Example: I am a 30w adapter will not work). V * 12 = 1800 watts or 21,6? (Example: 30w adapter, I delight.)

I think we should use the input, 72 watts, meaning Maybe you need a large amount of measurement converter, a worthwhile The actual current meters.

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