Cultural Relic Repository Precision Humidifier Function Features: ◆ Automatic operation in humidification and dehumidification modes to ensure controlled target temperature and humidity without drift ◆ Compatible with ordinary water quality, ◆ Automatic defrosting for operation in low-temperature environments ◆ Freely set humidity, real-time display of current environmental temperature and humidity ◆ High/Medium/Low fan speed mode settings ◆ Displays and alarms for high temperature, low temperature, high humidity, low humidity, high pressure, low pressure, water leakage, and overflow ◆ Precise sensing of water leakage with immediate alarm ◆ Automatic cleaning of water tank and humidifying media, automatic protection for water shortage in the tank ◆ Suitable for environments such as museums, archives, libraries, and collection storage rooms.