Is the hotel room camera illegal?

Break the law. Hotel rooms are private areas for guests, where guests have a reasonable expectation of not being monitored. Installing a camera without the consent of the guest violates the privacy of the guest and is an infringement; According to Article 42 of the Law of People's Republic of China (PRC) on Public Security Administration Punishment, anyone who peeks, eavesdrops or spreads others' privacy shall be detained for less than 5 days or fined for less than 500 yuan; If the circumstances are serious, they shall be detained for more than 5 days 10 days, and may also be fined up to 500 yuan.