There is an anti-theft lock inside the hotel, and the door outside is red.

The security lock inside the hotel hangs the red doorbell outside to remind guests that someone is ringing the doorbell outside. According to relevant public information, anti-theft locks will be installed on hotel room doors to ensure the safety of guests. When someone rings the doorbell, guests can check the outside situation through the anti-theft lock. If you are a stranger or a person with potential safety hazards, you cannot open the door or call the police in time. At the same time, the red doorbell code can also remind guests that someone is ringing the doorbell outside, which is convenient for guests to handle in time. It should be noted that when staying in the hotel, guests should carefully understand the safety facilities and safety precautions of the hotel to protect their personal safety.