The hotel door is locked, will the light turn on when you swipe your card outside?

Bright.

If the door is locked from the inside, a light will light up outside where the card is swiped, indicating that someone is living there, but it cannot be opened from the outside.

Hotels are also called hotels, inns, inns, hostels, business travel, inns, and inns. They are restaurants, hotels, etc. in China, and hotels in Malaysia, Singapore, etc.