How long does hotel monitoring usually last?

Hotel monitoring is generally kept for 1 to 3 months. The retention time of hotel surveillance video is not expressly stipulated. Hotel surveillance video shall be kept for 1 to 3 months, and the hotel surveillance video shall be kept for at least one month. For large hotels, this period is extended to more than three months. Monitoring is a kind of security technology prevention system, which is used to monitor, record and analyze the behavior and activities of a specific area or target. The monitoring system includes video monitoring, audio monitoring, data storage and retrieval, and is widely used in public security, enterprises, families and other occasions. The monitoring system consists of camera, video recorder, display, audio collector, memory and so on.