I want to ask the hotel how to plug in the card and power on.

To get electricity by inserting a card in a hotel, you need to insert the door card into the card slot above the switch, which is equipped with an inductor. The development process of power take-off switch is synchronous with hotel lock, because it needs a door-opening card to get power, so the power take-off switch must match the type of door-opening card of hotel lock.

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