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Anonymous users2024-01-24This kind of night light is actually very simple, that is, it uses the principle of resistance capacitance and voltage reduction, as long as a few diodes, a CBB capacitor, and a few lamp beads.
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You can use hours * 365 days 1000 = kWh, it is actually kWh.
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Hello, you can turn on it all night, the night light is on at night.