KOIOS Patented Cool Mist Humidifiers (2023 Upgraded), 4L Top Fill Ultrasonic Air Humidifier, Essential Oil Diffuser for Bedroom Large Room Home, 31H Runtime, Whisper Quiet Perfect for Babies, Plants

This KOIOS humidifier features an innovative design for easy cleaning and up to 31 hours of run time. It can humidify a large room and includes a night light. It also functions as an essential oil diffuser.

• The description claims the humidifier has a maximum mist output of 350mL/h.
• The description claims the humidifier can humidify a large room with a max mist evaporation of 380mL/h.
• The description claims the humidifier improves safety by preventing water leakage.