How to lock the hotel room door?

There are two ways to lock a hotel room door.

1. method: There are generally two locking methods. One is that there is a button under the door handle, which can be locked by turning, and the other is that there is a chain latch on the door, which can be inserted and pushed from bottom to top.

2. Related content: A large-scale and well-equipped hotel is a hotel. Before the reform and opening up, mainland hotels were mostly named after hotels (mostly state-owned); In mainland cities, hotels called "hotels" are mostly built after the reform and opening up, and hotels are often used in tourism.

3. English expression: hotel

4. Management software: front desk system and telephone management system.