Space-saving design: Vertical oval shape designed for bedroom nightstand and office desk/car, portable and small design is very easy to take with you fitting narrow space for better air wherever you are. Easy refill & control: Pick it up with one hand for an easy refill. One button to set the mist and night light, it holds 260ml of water and can last about 5-10 hours. Once the water runs out, it will be auto shut-off to protect the device, make life so easy. Two mist modes: When you press the button the first time, it will continuously spray for 5 hours. When you press again and it will intermittently spray (stop 2 seconds) for 8 hours. Selecting the mist output conveniently for full control of the air you breathe. Super quiet operation: Intelligent air inlet design, provide you a quiet use, perfect for baby room nursery. It's the best gift for family and friends. Safe & auto shut off: There is a water level sensor inside, automatically turn down the power when water is lower than the safe level. Leakproof nano design, keep you away from pouring liquid. No need to worry about your phone or laptop anymore. Any quality problem, please do feel free to email us. The user manual unscrews the lid gently fill water into the tank and then screw the lid. Please use tap water or mineral water. Do not use pure water or steam distillate water, otherwise, there will be no fog come out or there will be droplets at the outlet. Let the humidifier stand for 10 minutes to get the cotton stick soaked in water. Use the adapter and USB cable to connect the humidifier to power. Click the function key on top of the lid once for continued spray, twice for intermittently spray. Press the function key for 2 seconds to turn on the 7-colour night light, press 2 seconds again to fix the colour, press 2 seconds again to turn off the light.