The hotel doesn't turn on the lights, and the camera is black and white.

Today's cameras are all infrared, and they can take pictures even at night. Nowadays, high-tech cameras can even take pictures at night. There is no dead angle camera in the periphery of the store, that is, the inner hall, corridor and aisle, but there is no camera in the room. The camera monitors every corner of the hotel 24 hours a day, which plays a security role for the hotel, so it can still complete the camera task without lighting.

Today's cameras are all infrared, and they can take pictures even at night. Nowadays, high-tech cameras can even take pictures at night. There is no dead angle camera in the periphery of the store, that is, the inner hall, corridor and aisle, but there is no camera in the room. The camera monitors every corner of the hotel 24 hours a day, which plays a security role for the hotel, so it can still complete the camera task without lighting.