Two-level adjustment, level 1 large spray offers rapid humidification, level 2 mild spray brings the delicate moisturizign night-light design, help you relieve and sleep better Low noise of 25 dB never impacts you from working and rest Automatical anti-dry-burning with the probe detection 600ml large capacity, avoid adding water repeatedly, one refilling of water lasts 15-24 hours Designed with a sealing ring, protects water from leakage 10h Intelligent power-off, don’t worry forgetting to