raydrop cool mist humidifiers for babies , 1.70 l quiet and small ultrasonic humidifier for bedroom nightstand, space-saving, auto shut off-(0.45 gallon, us 110 v) raydrop raydrop humidifiers add moisture to improve air quality for your home and office. <br> relief the discomforts such as nasal congestion, skin and eye dryness; <br> many common nuisances such as static electricity and cracks in furniture. <br> key features <br> space saving design <br> straightforward dial knob controls <br> lightweight and slim 1. 70 l tank <br> smart led indicator and intelligent protection <br> power source: 110 v <br> power: 18 w <br> water tank: 1. 70 l <br> mist output: 240 ml/h (max) <br> work environment: 5°c-45°c/41°f-113°f≤90%rh <br> package list 1 x raydrop humidifier 1 x user guide <br> warm tips 1. please do not add any essential oils into the humidifier. <br> 2. please do not place this product on blankets or towels. <br> 3. the most comfortable environmental humidity is between 40%-60%. <br> all raydrop humidifiers come with 24-month . if you have any questions, please contact us and we will respond within 24 hours. <br>tips <br>don't add any essential oil in it. <br>do not place on carpet or towel. the fan vent is located on the bottom of the humidifier base. the fan vent must not be obstructed.