geniani top fill cool mist humidifiers for bedroom & essential oil diffuser - smart aroma ultrasonic humidifier for home, baby, large room with auto shut off (black, 4l) geniani intelligent mode and 3 manual mist speed settings. be 100% in control of the way you run the humidifier. theres a built-in humidity sensor that keeps a healthy humidity level at home. additionally, the top-fill humidifier has 3 manual settings to switch between low, medium, and high output speed. cleaning and refilling is a breeze. the humidifier is quick and easy to run. it takes only a couple of minutes to refill the unit - just pour the water directly into the water tank without removing the cap! thanks to a transparent water gauge, you will be able to estimate how much time is left to the next refill. geniani 2-in-1 humidifier & diffuser. moisturizing the room with cool mist significantly improves sleep quality, skin condition, and work productivity. with a built-in diffuser, you will also be enjoying revitalizing scents of essential oils in the air. geniani humidifiers with essential oils help relaxafter a busy workday. fill your home with fresh and clean air thanks to the new ultrasonic humidifier! fresh air is crucial for having a healthy and productive lifestyle. if you want to find a humidifier that is easy to use, has a sleek design, and runs smoothly, this one is for you. key features: 4l top-fill water tank that lasts up to 18 hours 2-in-1: a humidifier works as an essential oil diffuser intelligent mode with a built-in humidity sensor large space coverage up to 220 sq. ft. led night light with a turn-off option auto shut-off runs all day long. the humidifier has a large tank capacity (4l of water) that can moisturize a large room for over 18 hours on the highest speed mode and up to 24 hours at a low-speed mode. ultrasonically quiet. the geniani 4l humidifier runs noiselessly. you will be able to place it next to the bed.