If you want to install an alarm in the hotel, you must find the department.

You don't need to find any department to install a burglar alarm. You can ask the engineer who installed the alarm product to install it. If you want to accept the technical defense, you only need to explain your requirements to their engineers. These procedures are mainly done by them, you just need to spend more money. If it is 1 10, you should consult the public security department, but you still need to find an engineer. 1 10 calls the police. They are familiar with this process, you can ask them. This is not difficult.