gree humidifier, 4.5l cool mist ultrasonic humidifier for plants, bedroom, office. baby humidifier (bpa-free) with activated carbon filter, stepless speed regulation, auto shut off, night light. gree <p><b>gree humidifier: scwa-4503</b></p> <p><b>warranty:</b> gree provides a 12-month worry-free warranty</p> <p>ultrasonic humidifier</p> <p>2.4mhz atomization technology</p> <p>knob switch design, the amount of fog can be adjusted at will</p> <p>atmosphere light design</p> <p>special aromatherapy function, intimate and romantic</p> <p>high-efficiency activated carbon filter to absorb dust</p> <p>multiple security protection</p> <p>water shortage indicator reminder</p> <p>mute humidification, no disturbing sleep, high-end humidification noise ≤31db(a)</p>