Expericially for large room and small room, living room, bathroom, warehouse, office, etc. ap airpleasure air purfier lead a better life. Material: Made with BPA FREE material, can be with confidence. With night light design, 7 colors changing mood lights, 1st press, power on, 7 led light on, irregular changes. 2nd press, led light off, operating quietly less than 30dB. 3rd press, shut off. The whirlpool of swirling water and 7 colors changing mood lights will turn any indoor space into a zen-like atmosphere, Noise Level Less than 30 db creates white noise for a a peaceful of night. 1200ml capacity, just need to clean the bottle every day, the air will be full with the fragrance every day.